1、Ergonomic Design: This wireless mouse adopts unique ergonomic and vertical shape design that keeps your hand and arm in a more natural and comfortable position.2、Wide Compatibility: This ergonomic wireless mouse is suitable for Win 2000, for Win XP, for Win Vista, for Win 7, for Win 8, for Win 10, for OS X, for Linux, etc.3、Adjustable DPI:  800, 1200, 1600 DPI resolution optical tracking on a wide range of surfaces with high accuracy and stability.4、Anti Interference: This ergonomic wireless mouse possesses anti interference performance for more silent and rapt working.5、Pain Relief: Compared with the traditional mouse, this ergonomic wireless mouse can effectively relieve the fatigue and pain of wrist. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store