Product Descriptions:
2.4GHz wireless connection, up to 10m operation distance (depend on environment).
Power saving: if there is no 2.4GHz signal, it will automatically power off.
Ergonomic design, fits comfortably on your hand, low voltage alarm function, reminds you to replace battery in time.Pen shaped, especially suitable for handwriting input.
Real Plug and Play, no extra driver needed

Specifications:
*Operating frequency: 2402MHz-2480MHz
*Transmission distance: >10M,360°
*Resolutions Adjustable: 500/1000cpi
*Tracing system: Opitcal
*Operating current: 15mA
*Power supply: 1.5V AAA*1
*System requirements: Windows98, XP, vista, Windows7, Tablet PC, Mac OS X, Linux

Package contents:
1 * Pen Mouse
1* USB 2.4GHz Receiver
1 * Mount