Features:

1) 27mhz radio frequency and single channel

2) deluxe ergonomics design to comfortable hand touch

3) auto smart sleep and wake-up function, lower working current

4) operating range 1-1.5 meters in normal environment

5) 800dpi hardware resolution

6) wireless rechargeable mouse

7) compatible with windows nt,95,98,2000, me, xp

8) button life: Over 2,000,000 times

9) working on any surface except glass

10) insert the mini usb receiver into the mouse body
When it is not in use.