1. Cable length: 2.2m
2. Interface: USB
3. Sensitivity: 114dB
4. Frequency response: 20Hz - 20KHz
5. Microphone: 6.0 x 2.7mm
6. Microphone sensitivity: -36dB
7. Microphone impedance: 2.2K ohm
8. Directionality: omni-directional
9. LED working voltage: DC 5V
10. Speaker diameter: 50mm
11. Impedance: 16 ohm
12. Working current: 100mA and less
13. Power rating: 20mW
14. Input power: 30mW
15. Headset jack: USB + 3.5mm
16. Good quality and long service life
17. In line with ergonomic design, comfortable to wear