2.4G Wireless Travel Mouse with Autolink ID0031 Specification: • Wireless, optical Mini Mouse • Small, compact Design – ideal for Notebook users • 2.4GHz FSK Autolink Technology • 48 two way RF channels • 610 meters operation range • 800(real)/1600 DPI precision optional • 3 Standard Buttons and 1 CPI Shift Button for Mouse • 3 Level Power Saving Modes • Nano USB Shape Receiver (can be stowed in the Mouse) • Auto Power-saving sleeping Function • Supports Windows ME/2000/XP/Vista/7