1. Model: GS410
2. Speaker Diameter: 40mm
3. Impedance: 32+-15%
4. Sensitivity: 105dB+-3dB
5. Frequency range: 15Hz-20KHz
6. Mic dimenSion: 6.0 x 5.0mm
7. Mic sensitivity: -42dB+-3dB
8. Mic impedance: <=2.2 kiloohm
9. Directionality: Omni-directional
10. LED working voltage: DC5V+-5%
11. Working Current: <=200mA
12. Headset jack: USB+3.5mm 4Pin
13. Cable length: 1.9m