Specification:
-Usage Distance: About 10 meters.. 
Features:
- Free posture use, ease the pain of wrist and cervical vertebra
- Left and right hand design
- Ergonomic Design
- Ultra-long Distance
- Hold it hand and easy to type
Thursday, July 7, 2011
Wireless Handheld Trackball Mouse for Computer Laptop Rechargeable Travel w/ Laser Pointer Presenter 5 Button
Specification:
-Usage Distance: About 10 meters.. 
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