This Wireless Mouse is a good choice for you:
10m Wireless Operation Distance, Ergonomic Design, High Accuracy,
High Quality, Modern Design....
* 2.4GHz wireless transmission up to 10 meters operating distance.
* Built-In mouse memory, no recording is needed after battery
* With 6 Keys, including Scroll Wheel, Page Forward and Page
Backward buttons for easy Internet Surfing.
* Intelligent connectivity, no need to code, plug-and play.
* Ergonomically designed, comfort grip.
* Many dormant class control and more power-saving hibernation
* 800/1600dpi, cursor speed adjustable.
* With On/Off power switch.
* Low power comsumption
* Low voltage alarm function.
* Decent and modern design.
* High quality
* Ideal laptop companion for home and office use.
Speicifications: * RF carrier: 2402-2480MHz
* RF operation channel: 16, auto frequency hopping
* USB: USB 2.0
* Operation systems: Windows 2000, Me, XP, Vista, Win 7
* Power: 2 * AAA battery (not included)
* Rated operation current: 15mA, 1.5V
* Color: Black * Mouse size: 100*65*35mm
* USB receiver size: 18*14*5mm
* Mouse weight: 64g
* Receiver weight: 2g