?Features:
2.4GHz wireless transmission up to 10 meters operating distance.
800/1200/1600 DPI adjustable.
Intelligent connectivity， plug-and play.
Two buttons on the left side of mouse are to forward/backward internet page.
High accurate cursor and extremely sensitive.
With On/Off power switch.
Powered by 2 * AAA battery.
Ideal laptop and desktop companion for home and office use.

Specifications:
Color: Dark grey + black
Housing material: ABS
Application: Desktop， laptop
Interface support: USB
Frequency: 2.4GHz
Operation distance: Up to 10m
Tracing System: Optical Orientation
Resolution: 800/1200/1600 dpi
System requirement: Windows XP， Windows Vista， Windows 7
Power supply: 2 * AAA battery (Not included)
Mouse size: Approx. 11.5 * 6.5 * 3cm / 4.5 * 2.5 * 1.2in
Mouse weight: Approx. 58g / 2oz
Package size: Approx. 16 * 10 * 4.5cm / 6.3 * 3.9 * 1.8in
Package weight: Approx. 108g / 3.8oz

Package included:
1 * Optical Mouse
1 * USB Receiver