Ultra slim， compact and lightweight， easy to carry.2.4G Wireless Optical Mouse.3D optical mouse， left/right button and scroll wheel.Adjustable optical sensor from 1000-1600 DPIWorks on most surfaces except glassPlug and play mode， no need driverButtons: Left button， right button， rolling wheel， dpi switcherOperation range: Up to 10mPowered by: 2 x AAA battery (NOT included) .Elegant and ergonomic design， perfect to match your laptop or PC .Compatible with PC， Mac， windows XP， and vista and win 7.Mouse size: about 113*58*22mmUSB Receiver Size: 18*14*6mmColor: BlackPackage included:1 x 2.4G Wireless Optical Mouse1 x USB Wireless Receiver