Laser pointer
USB mouse function
Page up/down
Multimedia function
(Optional) USB flash disk storage
RF technology
Battery: 1 pcs 1.5V
Unit weight: 55.1 g
Size:123 *31*17.5 mm
Output power: ClassII<1mw or ClassIII<5mw
USB plug and play, no need for driver
Oprating Systems: MS Windows 2000,XP, Vista compatible