The PERIMICE-719 mouse is a wireless ergonomic mouse, with smaller dimensions than conventional ergonomic mice. This makes it ideal for smaller handsRecommended for RSI syndrome (also known as tennis elbow), mouse arm and tendonitis, and for those who spend long hours at the computer (working, browsing, or gaming)The sensitivity of the mouse can be adjusted to your preference with the dpi switch: 800/1200/1600 dpi'Plug and Play' mouse, easy to start without installing drivers - With nano receiver (batteries are not included)Dimensions: 105x67x58 mm - 6 buttons: Left click, Right click, Scroll, DPI switch, Forward and Back button (in the browser) 
