2.4G Wireless optical mini mouse for mobile computers Long operational distance: up to 10m Super small receiver Instant connectingLow power consumption to extend battery life Receiver parked inside the mouseRubber side panels Dynamic changeable resolution: 500 or 1000 cpi4-direction scrolling wheel (Tilt wheel) Precision trackingWindows 2000/XP/VISTA compatible USB interface Dimesions: 105×67×40mmWeight: 75g