Enjoy the reliable wireless technology and free yourself from snagged and tangled mouse cords. Now just about any surface within 1.5 meters of your computer can become your workspace. Setting it up is easy, just plug the receiver into your PC or Mac and you're ready to go. This mouse also features rechargeable function, just connect the mouse your PC with a USB cable. Proprietary power management technology for extended battery life. Product Feature *Ergonomic and fancy design for comfortable operation *Rechargeable function (Optional), and it can work as wired optical mouse *Easy to set up, Plug & Play in Win 2000 system or above) *Encrypted wireless technology (256 ID codes) avoids interference for completely reliable performance Product Specification/Models *Channel: single *Working distance: 1.5 meters in normal environment *Radio Frequency: 27MHz *Interface: USB mini receiver *Battery:2*AAA Ni-MH rechargeable battery or Alkaline battery Application *System requirement: compatible with Windows 98 NT/2000/ME/XP Other Information Email: MSN: Tel: +86-755-29950835 Fax: +86-755-29950853 Website: