SoulBytes S21 Omni-directional Lightweight Memory Foam Ear Cushions Headset with Mic, Length: About 2m(Blac)

1. Model: S21 2. Speaker Diameter: 50mm 3. Impedance: 32+-15% 4. Sensitivity: 115dB+-3dB 5. Frequency range: 20Hz-20KHz 6. Mic dimenSion: 4 x 15mm 7. Mic sensitivity: -36dB+-2dB 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: 2m