Mice & Trackballs Universal CompatibilityNo Driver Required Compatible with Windows 7/8.1/10/11,macOS 10.5 or later, Linux, Chrome OS... 4-Level DPI Setting The default setting is 1000 DPI. Short pre the DPI switch key to change, the DPI will be switched cyclically in the order of "1000/1600/2400/4000".LED blinks once 1000 DPILED blinks twice 1600 DPILED blinks 3 times 2400 DPILED blinks 4 times 4000 DPI Full-size Ergonomic Shape Natural Fit Designed to be extra slim, while still fitting naturally in the palm of your hand Long battery life Up to 7-15 days of battery life on as single charge depending on your usage time 15m Long Range Transmitter 2.4G wirele connection, anti-interference signal transmiion Simple setup with plug In 2.4G mode ,you only need to insert the plug into the computer or docking station and start using it immediately. Bing life o your desktop 99% Silent Clicking This silent wirele mouse for laptops with a noisele design, which is super quiet whether clicking a button, scrolling, or moving the mouse, makes it an ideal computer mouse for office, conference room, cafe, library, bedroom. 6 Mute Button Left button, Right button, Middle button(Scroll wheel)Indicator light, Forward / Backward key, Key for switching DPI/ Operation System