China High Quality Monaural Rj9 Call Center Telephone Headset with Qd, Find details and Price about China Call Center Headset, Telephone Headset from High Quality Monaural Rj9 Call Center Telephone Headset with Qd
1) Driver unit: 30mm mylar speaker | ||||||||
2) Frequency: 20-20KHz | ||||||||
3) Impedance: 150 ohms / 2.2Kohms | ||||||||
4) Sensitivity (at 1KHz): 105dB (+/-5dB) | ||||||||
5) Resonance frequency (Fo): 300Hz | ||||||||
6) Freqency response: Fo-6KHz | ||||||||
7) Max input power: 10mW | ||||||||
8) Mic sensitivity: -58dB or -40dB | ||||||||
9) Plug: 2.5mm stereo (or RJ 9 Jack / USB plug) |
1) Provide tailor-made products to meet different customers' needs | ||||||||
2) Strict quality control system. 100% inspection before delivery | ||||||||
3) Compatitively price with fast delivery | ||||||||
4) Customized logo or package is accepted | ||||||||
5) Payment by T/T , L/C or Western Union is accepted | ||||||||
6) Provide free sample for quality testing |