2.4GHz digital wireless transmission, operation distance is up to 10 meters.Built-in mouse memory, no recording is needed after battery replacement.Intelligent power-saving technology, the service life of one alkaline battery is up to six months.Intelligent connectivity, no need to code, plug-and-play.Ergonomically designed, comfort grip.Dormant class control and more power-saving hibernation connectionless.800dpi/1200dpi cursor speed adjustable.Shortcut button can be used to browse the internet or applications, easily on the toolbar "forward" and "backward" function.Power switch, in the case of not using power off completely.One USB available port.Item Name: Wireless MouseRF: 2402MHz - 2480MHz RF Operation Channel: 16, Automatic Frequency Hopping Rated Current: 8 - 15mA@3VKey Life Span: 300M TimesTransmission Distance: ≥10mPowered by: 2 x AAA Batteries(Not Included)Compatible System: for Windows 2000/XP/Vista/Linux/Win 7/MACNotes:Operation distance is closely related to the environment.Battery life may be different for your own habit of using mouse.The mouse will shut off automatically and enter sleeping mode for saving power when it& 39;s not used for a long time. To wake it up, press the right or left button.Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Package Included:1 x Wireless Mouse(Batteries Not Included)1 x Receiver