1) 2.4G Wireless Mouse
2) Slim designed
3) Auto power save function

2.4G Wireless Optical Mouse                                

1) Slim Designed: height 25mm
2) 800/1600DPI Transformation
3) Operation Distance: 5 meter
4) Batteries: AA size  x 1
5) Compatible with win98,2000,XP,Vista,Win7 
6) Connector: USB Nano Receiver