Headset TPC-H800 for IP and analog phones RJ9/RJ11

Description

Broadband micphone , simply, plug and play . 2. Direct connected and Dual-channel receiver. 3. Build in hearing protection circuit. 4. Receiver size :Diameter 30mm 5. Impedance：150 ohm 6. Sensitivity：100 db 7. Frequency response：100-6600Hz 8. Degree of distortion: 58 db 12. Wire length: 2.3m