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Telephone center Headset
Specifications:
| Driver Unit | 1*30mm Mylar speaker |
| Frequency response | 20-20KHz |
| Impedance | 150 ohms/2.2K ohms |
| Sensitivity | 105dB |
| Resonance frequency(Fo) | 300Hz |
| Frequency response | Fo-6Khz |
| Max input power | 10mW |
| Mic sensitivity | -34dB |
| Plug | 2.5mm stereo( or RJ11 jack) |