?WIDE SYSTEM COMPATIBLILITY?- The mouse for carpal tunnel is wired, ensuring a stable & reliable signal. Compatible with computers and laptops that support the following systems: Windows 10/8.1/8/7/XP/vista, Mac OS 10.13-10.15/11, Chrome OS. Also, support system versions are lower than the mentioned ones. *Not fully compatible with Apple products. ?UPGRADE MATERIAL for LONG-LASTING?- This GMA170 ergo mouse is an upgrade version, which applies aluminum scrolls for durability, other than plastic ones. Quiet buttons(right/left clicks, scroll), <25dB sound on clicking, quieter than daily talking sound. Enjoy using your mouse in the office, library, or bedroom while being distraction-free. The mouse cable is wrapped with thick polyester wires to prevent breakage after long use. ?HIGH ACCURATE SENSOR & DPI ADJUSTABLE?- Our corded mouse adopts an advanced blue LED sensor, which has higher accuracy for signal reading and power-saving, much better than IR or optical sensor(generally used on the market). Support 4 DPI modes: 1200/1600/2000/2400. Simple to switch with a DPI button at the top. Whether you're typing, drawing, or gaming, you can find the appropriate mouse movement speed. ?6 BUTTONS PROGRAMMABLE with LED DISPLAY?- The 6 side buttons are customizable with different functions, greatly increg your work efficiency. There're 20 kinds of functions, such as forward/back, F5, desktop, web browser, Vol +/-, copy/cut/paste, win, select all, Prtsc, calculator, close window, alt+tab, etc. ? Note: 6 buttons are programmable only on Windows system. Clear LED screen shows DPI switchable data. ?ERGONOMIC VERTICAL DESIGN?- This ergonomic computer mouse is designed with 25° natural angles, keeping your wrist and arm comfortably. Help to reduce the pressure on your wrist, lower the muscle strain and reduce hand fatigue & wrist pain after long-time work.