Features:
. RF high speed wireless connectivity and pinpoint accuracy.
. Unique optical technology, respond to even fastest movements.
.800dpi fast resolution.
.Reliable 2-channel digital radio technology
.Operation distance up to 1.5 metres, no angle restriction.
. Can glide smoothly on various surfaces except glass.　
.USB port. Compatible with OS Windows ME/NT/2000/XP or above.


Technical Parameters：
Scan rate：1500times/second
Frequency: 27MHZ
Switch elastic force：70g
Keystroke life：3 million clicks
Working temperature：-20℃～60℃
Working humidity：RH80%
Suitable power supply & voltage：DC2.2～3.2V
Working current：20～30mA
Power：90mw
Net weight：60g
Size：89*47*33mm