Ergonomic Design: The ergonomic mouse promotes a neutral handshake position for the right hand, reducing wrist and arm pressure for lasting comfort. Optical tracking technology with 4800/3200/2400/1600 DPI resolution ensures smooth and precise tracking on various surfaces. If you want an ergo mouse, this could be your choice | Hight-Capacity Rechargeable Battery: The carpal tunnel mouse Built-in 600 mhA rechargeable battery. You no longer need to buy batteries, which is very convenient. A full charge can be used for about 1-3 months (actual time depends on habits and frequency). It charges via a Type-C interface and comes with a charging cable, saving on battery replacement costs. It enters power-saving mode (completely powering off) after 8 minutes of inactivity-wake it by pressing the right or left button | Multifunction and Convenient: TECKNET vertical mouse with Advanced "Forward Button" and "Backward Button" functionality buttons provides web page browsing convenience. The vertical mouse wireless features a whisper-quiet click design for a better user experience, allowing you to focus on your work without worrying about disturbing others | Plug & Play: This ergonomic wireless mouse is extremely convenient to use - plug in the 2.4GHz USB receiver and turn on the switch, and you can start using it without needing to install any drivers | Wide Compatibility: Seamless integration of the wireless mouse into various work environments, making it universally adaptable to most computers on the market. Highlight the sleek and professional design of the mouse, making it suitable for corporate and home office settings. compatibility with various devices including Windows/Mac/Chrome/Linux/laptop/computer. (Side buttons are not compatible with macOS), You will love the ergonomic mouse once you get used to it