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) Insert the mini USB receiver into the mouse body
when it is not in use.

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