- Feb 9, 2005
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* Extra long 25 foot radio range. Line of sight not required!
* Use up to eight devices with one receiver with digital security features
* Optical - no moving parts to wear out or get dirty
* Gyroscopic motion sensor for use off the desktop
* Long life rechargeable battery with convenient desktop charging cradle
* Windows and Mac compatible scroll wheel
* Plug 'n play USB, no special drivers or software needed
* Ergonomically designed for comfortable desktop and in-air use
* 90 day limited parts and labor warranty
http://www.geeks.com/details.asp?InvtId=GP110-001-R&cat=MOU&cpc=DSP
I used one of these, a teacher had it, VERY NICE.