1. USB audio system.
2. Windows system compatible.
3. 800 dpi resolution.
4. Scrolling and zooming function.
5. Scrolling wheel for browsing.
6. Optical sensor without ball decoder.
7. CE & FCC approval.
8. Hand-free device with microphone.
1. Echo cancellations. 2. DSP voice processor of superior sound quality. 3. Hand-free device without headset speaking phone. 4. Windows system compatible without driver.
Taiwan
