Ultra-slim and ergonomic design makes it perfect fit with your palm.Wireless connection supports about 10m operation distance.No delay, high sensitivity, offering excellent operation feeling.No drive needed, just plug and play for use.Type: Wireless MouseMaterial: ABS + MetalConnection: WirelessInterface: USBOperation Distance: 10mButton Numbers: 4 ButtonsAdjustable DPI: 4 ModesWorking Method: OpticalPower Supply: Build-in Battery (Included)Compatible System: for Windows 7/8/10/XP/Vista, for LinuxFeatures: Ultra-slim, Ergonomic, Sleep Mode, Mute Click, UniversalSize: 113mm x 58mm x 23mm/4.45" x 2.28" x 0.91" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Wireless Mouse1 x Receiver1 x Charge Cable (Others Not Included)