MU105- 90686 Portable Wireless Mouse(Pink) 4 Levels Adjustable DPI: The Wireless Mouse with 4 DPI levels from 800 to 2400 adapts to different screens. Ergonomic Design: Designed with a contoured shape to fit the curvature of the palm. Experience all-day comfort gripping in hand. Ultra Silent Mouse: Super quiet while clicking a button, scrolling or moving the mouse without disturbing others.Mode: Wireless -2.4 GHz Operating Distance: 10 m/32.8ft DPI: 800/1200/1600/2400 DPI 3 Buttons Function Click button : Mute button, the lifespan of 3 million times Scroll: Metal material with silent encoder, 300,000 times lifespan Operating Voltage: 1.5V Operating Current: 10mA Insert the AA alkaline battery (included) Compatible Systems: Windows 7/8.1/10/11;macOS 10.5 or later; Linux;Chrome 0S;Android Operating Temperature: -5°C~40°C/23*F~104*F Storage Temperature: -10°C ~ 60*C/14*F~140°F