RETEVIS EH070K 2 Pin Adjustable Volume Binaural Noise Reduction Headphone Microphone

1. High elastic metal bracket, good quality and good strength;
2. Super soft and comfortable headrest and earmuffs, comfortable to wear;
3. The microphone can be rotated 300 degrees, and can be reliably positioned to the left and right ear;
4. PU wire, high tensile strength, long service life;
5. The volume of the speaker is adjustable, suitable for various noisy environments;
6. Microphone type: dual electret microphone
7. Working voltage: -8-32V
8. Frequency response: 500Hz-8kHz
9. Microphone sensitivity (1k Hz): -46dB±3dB
10. Speaker diameter: 50mm
11. Speaker impedance: 157 ohms
12. Loudspeaker rated power: 40mW
13. Speaker sensitivity: 119+/-3dB
14. Noise level: -24dB
15. Jack: Mini XLR 5Pin jack