Features:

Nano receiver
The tiny wireless receiver stays in your notebook, so there’s no need to unplug it when you move around. Plus you can easily add a compatible keyboard or mouse.
Ergonomics design
Suitable for both left and right hand.
Key changeable
One more different color key included, user could change the key themselves and make the mouse in a fresh view.
Power switch
Turn on/off the switch easily, save power and convenient to carry.
Low power indicator
In the low battery condition, the red LED indicator alongside the mouse scroll wheel will flash while moving the mouse.

Specifications:

High resolution:1000 dpi
Interface:USB
Mouse:3 buttons with scrolling wheel
RF frequency:2.4Ghz(2.40～2.48Ghz)
Battery type:two AAA alkline batteries
Button Switch Activation:300,000 cycle
Scroll Wheel encoder Activation:100,000 cycle
Operation range: 8-10 meters
System Support:Windows NT/ME/2000/XP/Vista/7