Feature
- Optical Technology
- Tracking Resolution : 800 Dpi
- Ergonomic Design
- 3 Buttons
- Plug and Play
- USB Port
- 1.5 M Cable Length
- 3 Pattern: Circle, Square, Line
- Support : Windows Vista, XP,
ME, 2000, Macintosh OSX
- 2 Years Warranty

Feature
- 2.0 Channel Multimedia
Speaker System
- Output Power :3W*2
- S/N ：≥75dB
- THD：＜0.5%
- Resistance ：＞20KΩ
- Response Frequency
：100Hz to 18KHz
- Driver unit :2.5"*2
Input Power ：5V/1A (USB)
- 3 Pattern :Circle, Square, Line
- Support :Windows Vista,
XP, ME, 2000, Macintosh OSX
- 2 Years Warranty

Feature
- Multimedia Headphone
- Impedance :32Ω hm at 1 kHz
- Impedance sensibility :105dB/Mw
- Frequency range :20-20.000Hz
- Cable line :2.2 M
- Plug and Play
- 2 Years Warranty