USB telephone headphones for call center telephone KQ600USB

Description: 

Two main characteristics: handset volume control, mute function (pressing a mute button, the other side can not hear your voice and your colleagues)Mechanical self-locking click on the mute switch is in the press to resume the call, no need to hold it down;Touch is a mute switch to hold it so inconvenient, not the liberation of his hands, the industry commonly known as false muted.Mute is a mechanical self-locking switch, the market some products are touch mute switch.

Headset Key Features:1. Acoustic shock protection circuit2. Flexible goose neck mic boom 3. Adjustable headband 4. Direct with USB plug5. Replaceable soft foam or soft leatherette ear pad optional 6. Speaker Diameter: ?28mm 7. Impedance 150ohm8. Frequency Response 300-4K Hz9. Distortion: Less than 1%10. Sensitivity: 115dB ± 3dB/mwat1KHz11. Omni directional microphone12. Frequency response: 100-3000Hz13. Impedance: 22000 ohm14. Sensitivity:-36dB ± 2dB15. SNR: ? 49dB16. Distortion: Less than 1% 17. Total cord length max 3M18. Net weight: 32g

. USB telephone headphones for call center telephone KQ600USB  picture:

USB telephone headphones for call center telephone KQ600USB