When searching for the best ergonomic vertical mice in 2025, I found a great selection that provides comfort and precision. Standout options include the Logitech Lift, Anker 2.4G, and Logitech MX Vertical. Each mouse promotes a natural grip and reduces wrist strain, making long hours at the computer more bearable. Plus, features like adjustable DPI and multi-device support increase usability. If you stick around, I’ll introduce you to even more fantastic choices.
Key Takeaways
- Ergonomic vertical mice promote natural wrist posture, significantly reducing strain and discomfort during prolonged use, ideal for users with wrist issues.
- Adjustable DPI settings enhance precision and control, allowing users to customize sensitivity for various tasks and applications.
- Lightweight and compact designs improve portability, making these mice suitable for travel and convenient for on-the-go use.
- Many models offer multi-device connectivity, enabling seamless switching between devices, which enhances productivity for multitaskers.
- Features like silent buttons and textured grips enhance the overall ergonomic experience, providing comfort and minimizing workspace noise.
Logitech Lift Vertical Ergonomic Mouse (Wireless Bluetooth or USB Receiver)
If you’re searching for a mouse that combines comfort and precision, the Logitech Lift Vertical Ergonomic Mouse is an excellent choice, especially for those with small to medium hands. Its unique 57-degree angle elevates your wrist, promoting better posture and reducing strain. I love the softly textured grip and snug thumb rest, which make long hours of use a breeze. With Bluetooth and USB receiver connectivity, it offers seamless multi-device switching. Plus, it features customizable buttons and impressive battery life of around 24 months. Overall, the Logitech Lift delivers ergonomic excellence without sacrificing functionality.
Best For: Those with small to medium hands seeking an ergonomic mouse that enhances comfort and reduces strain during prolonged use.
Pros:
- Customizable buttons for personalized shortcuts and enhanced productivity.
- Impressive battery life of approximately 24 months, reducing the need for frequent replacements.
- Seamless multi-device switching allows easy control across various devices.
Cons:
- Limited to right or left hand use for small to medium hands, which may not suit everyone.
- Requires Logi Options+ software for full customization, which may not be available on all operating systems.
- Not suitable for larger hands, potentially causing discomfort during use.
Anker 2.4G Wireless Vertical Ergonomic Optical Mouse for Work
The Anker 2.4G Wireless Vertical Ergonomic Optical Mouse stands out as an excellent choice for anyone seeking relief from wrist strain during long hours of computer work. Its scientific ergonomic design encourages a neutral handshake position, effectively reducing discomfort. Weighing just 3.4 oz and measuring 120*62.8*74.8 mm, it’s perfect for both laptops and desktops. With adjustable DPI settings of 800, 1200, or 1600, I enjoy smooth, precise movements on various surfaces. Plus, its 2.4G wireless connection and compatibility with multiple operating systems make it incredibly versatile. I appreciate the 18-month warranty and positive customer feedback too!
Best For: Those seeking ergonomic relief from wrist strain during extended computer use.
Pros:
- Ergonomic design promotes a neutral handshake position, reducing wrist strain.
- Adjustable DPI settings (800/1200/1600) offer precise tracking on various surfaces.
- Versatile compatibility with multiple operating systems including Mac, Windows, and Linux.
Cons:
- Requires 2 AAA batteries which are not included in the package.
- May take time to adjust for users transitioning from traditional mice.
- Wireless connectivity may experience interference in crowded environments.
Logitech MX Vertical Wireless Mouse
Designed for those who spend long hours at a computer, the Logitech MX Vertical Wireless Mouse considerably enhances comfort and precision. Its ergonomic design reduces muscle strain, promoting a natural handshake position that lowers wrist pressure. With a high-precision 4000 DPI sensor, it offers remarkable accuracy while minimizing hand movement. I appreciate the ability to switch between devices seamlessly via Bluetooth, making multitasking effortless. Plus, the rechargeable battery lasts up to four months, and a quick charge gives me hours of use. Overall, the MX Vertical combines comfort, functionality, and sustainability, making it a top choice for anyone seeking relief from discomfort.
Best For: Those who spend extended hours on the computer and seek ergonomic comfort to reduce muscle strain and improve posture.
Pros:
- Ergonomic design reduces wrist pressure and forearm strain, promoting a natural handshake position.
- High-precision 4000 DPI sensor allows for accurate cursor movement with minimal hand movement.
- Long battery life of up to four months with quick charging capabilities for increased convenience.
Cons:
- Designed primarily for right-handed users, limiting accessibility for left-handed individuals.
- The vertical design may require an adjustment period for users accustomed to traditional mice.
- Slightly heavier than standard mice, which may not suit everyone’s preferences.
TECKNET Wireless Bluetooth Vertical Mouse
For anyone seeking an ergonomic solution that seamlessly connects to multiple devices, the TECKNET Wireless Bluetooth Vertical Mouse stands out. This mouse easily switches between three devices using Bluetooth or a 2.4GHz USB connection. Its six adjustable DPI levels allow for personalized precision, and I love how the LED indicator shows my selected DPI. The vertical design promotes natural wrist alignment, reducing strain during long sessions. Plus, it operates quietly, making it perfect for quiet environments. With a battery life of up to 12 months and a 36-month warranty, I feel confident investing in this mouse for my workspace.
Best For: Those seeking an ergonomic mouse that allows seamless connectivity and device switching for improved comfort during extended use.
Pros:
- Ergonomic design reduces wrist strain and promotes natural alignment.
- Multi-device connectivity allows easy switching between three devices, enhancing productivity.
- Long battery life of up to 12 months and a 36-month warranty provide peace of mind.
Cons:
- Requires 2 AAA batteries which are not included, adding an extra cost.
- Side buttons may not function on Mac devices, limiting compatibility.
- Learning curve for users accustomed to traditional mouse shapes.
ProtoArc Ergonomic Bluetooth Wireless Vertical Mouse (EM11 NL)
If you’re looking for a mouse that seamlessly connects to multiple devices while promoting a comfortable grip, the ProtoArc Ergonomic Bluetooth Wireless Vertical Mouse (EM11 NL) is an excellent choice. It connects up to three devices via Bluetooth 5.0 and 2.4GHz USB, making multitasking effortless. Its vertical design encourages a natural wrist position, reducing strain over time. I appreciate the adjustable DPI settings for precise tracking and the quiet clicking feature, which is great in shared spaces. Plus, the rechargeable battery is eco-friendly. Just be prepared for a brief learning curve as you adapt to this ergonomic design.
Best For: Users who experience discomfort with traditional mice and need a multi-device solution for a seamless workflow.
Pros:
- Promotes natural wrist and forearm positioning, reducing strain and discomfort.
- Connects to up to three devices simultaneously for easy multitasking.
- Rechargeable battery eliminates the need for disposable batteries, making it eco-friendly.
Cons:
- Initial adaptation period of 1-2 weeks may be required for comfort.
- Not all buttons are compatible with Mac OS, limiting functionality.
- The middle scroll wheel and back/forward buttons produce noise, which may not be ideal for quiet environments.
LEKVEY Vertical Wireless Mouse – Rechargeable Optical Mouse
The LEKVEY Vertical Wireless Mouse stands out as an ideal choice for anyone seeking comfort during long hours of computer use, thanks to its scientific ergonomic design that promotes a neutral handshake wrist position. I love its sleek modern look, which reduces strain and enhances movement. With adjustable DPI levels of 800, 1200, and 1600, I can easily customize sensitivity for my tasks. The six-button layout, including Page Back and Page Forward functions, boosts my productivity. Plus, the built-in rechargeable battery means I never have to fuss with disposables. It’s compatible with various systems, making it a versatile addition to my setup.
Best For: Individuals who spend long hours on the computer and seek an ergonomic solution to reduce strain and enhance comfort.
Pros:
- Scientific ergonomic design promotes a neutral wrist position, reducing discomfort during extended use.
- Adjustable DPI levels allow for customizable sensitivity, catering to various tasks and preferences.
- Built-in rechargeable battery eliminates the hassle of disposable batteries, offering convenience and sustainability.
Cons:
- Some users may find the vertical design unfamiliar and require an adjustment period.
- The mouse may not be suitable for those who prefer a more traditional mouse shape.
- Limited advanced features compared to high-end gaming mice, which may not meet the needs of professional gamers.
Anker Ergonomic Optical USB Wired Vertical Mouse
Looking for a mouse that promotes a healthy wrist position during long hours at the computer? The Anker Ergonomic Optical USB Wired Vertical Mouse is a fantastic choice. Its scientifically designed shape encourages a neutral handshake grip, reducing strain markedly. Weighing just 5.3 oz and with a 4.9ft USB cable, it’s lightweight and easy to maneuver. The 1000/1600 DPI optical tracking ensures precise movement, whether you’re working or gaming. Plus, the extra buttons make steering the web a breeze. Backed by Anker’s 18-month warranty, this mouse offers both comfort and reliability for all your computing needs.
Best For: Individuals seeking a comfortable and ergonomic mouse to reduce wrist strain during extended computer use.
Pros:
- Ergonomic Design: Promotes a neutral handshake grip to minimize strain on the wrist and arm.
- High Sensitivity: Offers 1000/1600 DPI optical tracking for precise movement across various surfaces.
- User-Friendly Features: Additional buttons facilitate easy navigation and enhance productivity.
Cons:
- Wired Connection: Limited mobility compared to wireless options.
- Compact Size: May not be suitable for users with larger hands.
- Learning Curve: Transitioning from a traditional mouse to a vertical mouse may require an adjustment period.
Acer Ergonomic Wireless Vertical Mouse
For anyone seeking a comfortable and precision-oriented mouse, the Acer Ergonomic Wireless Vertical Mouse stands out with its 57° vertical tilt that naturally contours to the right hand. It reduces wrist and arm pressure, which I’ve found decreases muscle activity by up to 10%. With adjustable DPI settings of 1000, 1200, and 1600, I can easily switch between precision tasks. The 2.4GHz wireless connection offers reliable performance up to 32 feet away. Plus, the rechargeable battery lasts about a month on a full charge. Overall, it’s an impressive mouse that’s compatible with various devices and operating systems.
Best For: Individuals who experience discomfort with traditional mice and seek a more ergonomic solution for prolonged computer use.
Pros:
- Reduces wrist and arm pressure, promoting comfort during extended use.
- Adjustable DPI settings allow for customized precision for various tasks.
- Reliable 2.4GHz wireless connection with a range of up to 32 feet.
Cons:
- Only compatible with devices that have a USB-A port; no Bluetooth support.
- Designed specifically for right-handed users, limiting accessibility for left-handed individuals.
- Rechargeable battery may require charging after approximately one month of use.
PHILIPS Ergonomic Vertical Mouse
Designed specifically for users with small to medium hands, the PHILIPS Ergonomic Vertical Mouse offers a 57° vertical angle that considerably reduces wrist strain while promoting a natural grip. Weighing just 5.3 ounces, it’s lightweight and portable, making it perfect for travel or office use. With six silent buttons, including a DPI switch, I find it comfortable for long hours without fatigue. The wireless 2.4GHz technology guarantees a lag-free experience, while adjustable DPI settings let me switch speed effortlessly. Plus, its intelligent sleep mode conserves battery life, enhancing convenience for my busy lifestyle.
Best For: Users with small to medium hands seeking a comfortable and ergonomic mouse to reduce wrist strain during long hours of use.
Pros:
- Lightweight and portable design, ideal for travel and office use.
- Six silent buttons enhance usability in quiet environments.
- Wireless 2.4GHz technology provides a lag-free experience.
Cons:
- May not be suitable for larger hands.
- Limited compatibility with older operating systems.
- Requires battery replacement, which could be inconvenient for some users.
Ergonomic Wireless Bluetooth Vertical Mouse
If you’re seeking a mouse that combines comfort with functionality, the ergonomic wireless Bluetooth vertical mouse stands out as an excellent choice. Its design promotes better posture and reduces wrist strain, fitting perfectly in medium to large hands. I love the ribbed texture for added grip, and the multiple DPI settings make it versatile for everything from graphic design to gaming. Battery life is impressive—I’ve gone over a month without recharging. The quick Bluetooth connection works seamlessly with all my devices. While it takes a bit to get used to the vertical orientation, the comfort it provides is worth it.
Best For: Those seeking an ergonomic mouse that enhances comfort and reduces wrist strain during extended computer use.
Pros:
- Promotes better posture and reduces wrist strain with its vertical design.
- Impressive battery life, lasting over a month on a single charge.
- Quick and reliable Bluetooth connectivity compatible with various devices.
Cons:
- Initial adjustment period needed for users unfamiliar with vertical mice.
- The angle may feel steep for some, affecting ergonomic benefits.
- Height can cause accidental bumps on desks, particularly in low-light conditions.
TECKNET Ergonomic Wireless Mouse for Carpal Tunnel
The TECKNET Ergonomic Wireless Mouse is a game-changer for anyone battling carpal tunnel syndrome or looking to enhance their comfort during long hours at the computer. Its vertical design promotes a natural wrist position, markedly reducing hand fatigue. I appreciate the silent-click technology, which keeps my workspace quiet and peaceful. With a stable 2.4 GHz wireless connection, I enjoy a reliable range without interference. Plus, the adjustable DPI settings allow for precise control, perfect for tasks like graphic design. The rechargeable battery lasts about two months, making it a convenient choice for both office and remote work.
Best For: Individuals experiencing carpal tunnel syndrome or those seeking ergonomic comfort during extended computer use.
Pros:
- Ergonomic vertical design reduces wrist and arm strain, promoting a natural posture.
- Silent-click technology ensures a quiet workspace, ideal for shared environments.
- Long-lasting rechargeable battery provides up to two months of use on a single charge.
Cons:
- Designed specifically for right-handed users, limiting accessibility for left-handed individuals.
- Compatibility excludes USB-C devices, which may limit use with newer laptops.
- Tru-Wave optical tracking may not perform well on glass surfaces, restricting usability in certain environments.
TECKNET Ergonomic Wireless Mouse for Right Hand
For anyone seeking a comfortable and precise mouse, the TECKNET Ergonomic Wireless Mouse for Right Hand stands out with its versatile multi-device connectivity options. I love how it easily connects via Bluetooth 5.0, Bluetooth 3.0, or 2.4GHz wireless, making switching between devices a breeze. Its adjustable DPI settings give me precise tracking, while the ergonomic design keeps my wrist aligned, reducing strain during long sessions. I appreciate the rechargeable battery that lasts 1-2 months on a single charge. With an average rating of 4.4 stars from users, this affordable mouse offers excellent comfort and performance for anyone’s needs.
Best For: Those seeking an affordable, ergonomic mouse that offers multi-device connectivity and comfort for medium to large right hands.
Pros:
- Versatile connectivity options with Bluetooth 5.0, Bluetooth 3.0, and 2.4GHz wireless for easy switching between devices.
- Ergonomic design promotes natural hand position, reducing wrist strain during long usage periods.
- Long battery life with a rechargeable battery that lasts 1-2 months on a single charge.
Cons:
- Side buttons are not compatible with Mac OS and cannot be programmed.
- Some users report connectivity issues at longer distances.
- A few initial charging issues have been noted, despite responsive seller support.
Logitech Lift Wireless Vertical Ergonomic Mouse for Mac
Crafted specifically for Mac users, the Logitech Lift Wireless Vertical Ergonomic Mouse offers an impressive 57-degree angle that alleviates wrist pressure and promotes a relaxed posture. It’s perfect for small to medium hands, making it comfortable for all-day use. I love that it connects via Bluetooth or a Logi Bolt USB receiver, allowing me to switch between three devices effortlessly. The quiet clicks and SmartWheel enhance my scrolling experience, while the customizable buttons let me assign shortcuts easily. Plus, with a battery life of up to 24 months, I don’t have to worry about frequent replacements.
Best For: Users with small to medium hands who are looking for an ergonomic mouse designed for Mac that reduces wrist strain during extended use.
Pros:
- Ergonomic vertical design promotes a relaxed wrist posture and reduces strain.
- Long battery life of up to 24 months minimizes the need for frequent replacements.
- Customizable buttons and smooth scrolling functionality enhance productivity and user experience.
Cons:
- May not be suitable for users with large hands due to its size.
- Logi Bolt USB receiver is not included, requiring a separate purchase for wired connections.
- Some users may prefer a more traditional mouse shape for familiarity.
Bluetooth 2-in-1 Rechargeable Wireless Mouse
Looking for a mouse that adapts to your multitasking lifestyle? The Bluetooth 2-in-1 Rechargeable Wireless Mouse is perfect for switching between devices with ease. You can connect via Bluetooth or 2.4GHz USB, allowing seamless *changeover* between your laptop and smartphone. Its vertical ergonomic design promotes a neutral handshake, reducing wrist strain during long hours of use. With adjustable DPI settings, it offers precise tracking on various surfaces. Plus, its rechargeable battery lasts up to three months on a single charge. Compact and lightweight, this mouse is ideal for home, office, or travel—making it a versatile addition to your tech setup.
Best For: Individuals who frequently switch between devices and require an ergonomic mouse for long hours of use.
Pros:
- Dual connectivity options (Bluetooth and 2.4GHz USB) for versatile device pairing.
- Ergonomic design reduces wrist strain, promoting comfort during extended use.
- Long-lasting rechargeable battery supports 1-3 months of usage on a single charge.
Cons:
- Back/forward button functions are not compatible with Mac OS.
- May be too compact for users with larger hands, affecting comfort.
- Requires special care to avoid overcharging and using fast chargers.
Ergodriven Om Handshake Vertical Mouse
The Ergodriven Om Handshake Vertical Mouse stands out for anyone seeking to enhance comfort during long hours of computer use, thanks to its innovative ergonomic design. Its vertical shape promotes healthy wrist and shoulder positioning, reducing fatigue markedly. I love the silent micro-force switches, which add to my comfort during extended sessions. With four DPI settings and an onboard OLED screen, I can easily customize sensitivity. Plus, the wireless connectivity and long-lasting rechargeable battery make it convenient. Weighing only 7 ounces and featuring five customizable buttons, it boosts my productivity effortlessly. With a 2-year warranty, I feel confident in my purchase.
Best For: Individuals who spend long hours at a computer and seek an ergonomic solution to reduce wrist and shoulder strain.
Pros:
- Promotes healthy wrist and shoulder positioning, reducing fatigue.
- Customizable DPI settings and five programmable buttons enhance productivity.
- Wireless connectivity with a long-lasting rechargeable battery provides convenience.
Cons:
- May take time to adjust for users unfamiliar with vertical mice.
- Limited advanced features compared to some high-end gaming mice.
- Slightly heavier than some standard mice, which may not suit everyone’s preferences.
Factors to Consider When Choosing an Ergonomic Vertical Mouse
When choosing an ergonomic vertical mouse, I think it’s vital to take into account factors like hand size compatibility and DPI adjustability options. You’ll also want to look at the connectivity options available and how long the battery lasts. Ultimately, don’t overlook the ergonomic design features that can make all the difference in your comfort and precision.
Hand Size Compatibility
Choosing an ergonomic vertical mouse means paying close attention to hand size compatibility. It’s crucial to pick a model that fits your hand comfortably, whether your hands are small, medium, or large. Before making a purchase, I always check the product specifications for recommended hand size ranges to guarantee compatibility. If you have smaller hands, a compact profile might be more suitable, while those with larger hands should look for models with extended width and grip area. Using a mouse that’s too large or small can lead to strain and negate the ergonomic benefits. Many manufacturers provide detailed dimensions and ergonomic guidelines, which I find helpful in matching my hand size with the right mouse model.
DPI Adjustability Options
While exploring ergonomic vertical mice, DPI adjustability options stand out as a key feature to contemplate. This allows me to customize cursor sensitivity, typically ranging from 800 to 4800 DPI, for precise control across various tasks. Higher DPI settings are fantastic for quick navigation, especially on larger screens, while lower settings deliver accuracy for detail-oriented work like graphic design. I appreciate that many ergonomic vertical mice come with multiple DPI levels I can switch on-the-fly, enhancing versatility during different activities. Adjustable DPI settings also help reduce wrist strain, letting me choose the most comfortable sensitivity and minimizing excessive hand movements. This feature markedly enhances my overall comfort and productivity throughout the day.
Connectivity Options Available
Connectivity options play a crucial role in selecting the right ergonomic vertical mouse for my needs. I appreciate that many models support Bluetooth and USB connections, giving me flexibility for various devices. Wireless options like Bluetooth 4.0/5.0 and 2.4GHz USB provide reliable, lag-free performance, perfect for both office work and gaming. I also find it helpful when mice feature multi-device pairing, allowing me to switch effortlessly between devices using Easy-Switch buttons. While wired connections eliminate latency, I love the mobility wireless options offer, keeping my workspace tidy. Additionally, I make certain the mouse is compatible with my operating systems, whether it’s Windows, macOS, or even Android, to ensure maximum versatility for my daily tasks.
Battery Life Considerations
When considering an ergonomic vertical mouse, battery life is one of the top factors I look at to guarantee I won’t be interrupted during my work or gaming sessions. Longer battery life means I can enjoy uninterrupted comfort, as some mice can last up to 24 months on a single AA battery. For rechargeable models, quick charging is a game-changer—just a few minutes of charging can give me several hours of use. However, I keep in mind that battery life can vary based on my usage patterns, like constant movement and Bluetooth connections. Features like auto sleep mode and power-saving settings are essential to help extend battery life, ensuring my mouse is always ready when I need it.
Ergonomic Design Features
Choosing an ergonomic vertical mouse goes beyond just picking a stylish design; it’s about finding features that truly enhance comfort and support during long hours of use. Look for a mouse that promotes a natural handshake position, ideally at a 57° to 60° angle, to minimize wrist strain. A textured grip and snug thumb rest are essential for maintaining comfort and proper hand posture. Adjustable DPI settings let you customize sensitivity, reducing unnecessary movements. The shape and size should fit your hand perfectly to provide ideal support and reduce fatigue. Finally, consider models with silent buttons; they can greatly decrease tension and noise, creating a more enjoyable ergonomic experience.
Weight and Portability
After considering ergonomic design features, it’s important to think about weight and portability when selecting your vertical mouse. I’ve found that lighter mice, typically under 4 ounces, are much easier to carry and use for extended periods. If you travel frequently, a compact design that fits into laptop bags or backpacks is essential. While heavier mice over 5 ounces might feel more stable, they can lead to fatigue during long sessions. I also prefer wireless models with integrated batteries; they cut out cable clutter and make setup a breeze. Just remember to consider the size and weight in relation to your hand size and your usual work environment to guarantee both comfort and ease of transport.
Frequently Asked Questions
What Are the Benefits of Using a Vertical Mouse?
Using a vertical mouse has really improved my comfort during long hours of work. It keeps my wrist in a natural position, reducing strain and preventing pain. I’ve noticed less fatigue and better precision when I’m clicking and scrolling. Plus, it encourages a more relaxed grip, which helps me avoid tension in my hands. Overall, switching to a vertical mouse has made a significant difference in my daily productivity and comfort.
How Does a Vertical Mouse Reduce Wrist Strain?
Using a vertical mouse feels like shaking hands with comfort. It reduces wrist strain by keeping my hand in a natural, handshake position, which aligns my wrist and forearm. This design minimizes awkward angles that can cause discomfort over time. I’ve noticed less fatigue during long hours of use, and my wrist feels more relaxed. Switching to a vertical mouse has truly made a difference in my daily routine and overall comfort.
Can Vertical Mice Improve Typing Posture?
Yes, I’ve found that using a vertical mouse can improve my typing posture markedly. When I switch to a vertical design, it encourages my wrist to stay in a more neutral position, reducing strain while I type. I notice that my shoulders relax too, which helps me maintain better overall posture. It’s amazing how a small change in my mouse can have such a positive impact on my typing comfort and efficiency!
Are Vertical Mice Suitable for Left-Handed Users?
Vertical mice can be a game-changer for left-handed users. Just like a well-fitted glove can change your grip on a ball, a vertical mouse can enhance comfort and reduce strain. I’ve tried various models, and I’ve found that many brands now offer left-handed options. They’re designed to promote a more natural hand position, which can make a world of difference. If you’re left-handed, don’t hesitate to explore these ergonomic wonders!
How Do I Clean and Maintain My Vertical Mouse?
I clean my vertical mouse by unplugging it first, then using a soft, damp cloth to wipe the surface. For stubborn grime, I mix a little soap with water. I avoid getting moisture inside the mouse. I also regularly check the sensor for dust and use a cotton swab to gently clean it. Finally, I make sure to keep it stored in a cool, dry place to maintain its longevity.
Conclusion
In summary, finding the perfect ergonomic vertical mouse can feel like discovering the Holy Grail of comfort and precision! With options like the Logitech Lift and Anker’s offering, your hand will thank you like never before. Imagine gliding effortlessly through tasks while your wrist feels like it’s lounging on a cloud. So, don’t settle for the ordinary—embrace the extraordinary and transform your workspace into a haven of productivity and bliss. Your fingers deserve this upgrade!
