2.4GHz digital wireless transmission, operation distance is up to 10 meters 800 dpi/1600 dpi, cursor speed adjustable Built-in mouse memory, no recoding is needed after battery replacement The service life of one AA alkaline battery is UP TO SIX MONTHS Ergonomically balance designed ideally for right and left handed Just plug-and-play, no installation driver is needed Auto-Switch will let your mouse enter sleep mode when it's not used for long time; to wake it up, just press the right or left button Low-voltage alarm function Scroll Wheel.

For all laptop and desktop support USB 2.0

Nano Receiver : Small enough to plug in once and leave connected.

Wireless curved mouse connects via USB receiver; Powered by one AA size battery (battery not included)

Slim ergonomic mouse is perfect for home and office use; Optical tracking technology mouse works on many different surfaces

Works with Windows 2000, XP, Vista, 7, and 8