1. 27MHz wireless optical, effective distance: 1.2M
2. 800CPI, high speed
3. 2 AAA buttery, Sleep Mode
4. LED light, XH power-linked operation
5. Windows 9X/ Me/ XP/NT/2000/Mac Osx
6. 3101 chip, stable quality.
2. 800CPI, high speed
3. 2 AAA buttery, Sleep Mode
4. LED light, XH power-linked operation
5. Windows 9X/ Me/ XP/NT/2000/Mac Osx
6. 3101 chip, stable quality.