Wire: APS material, single-core shielded wire, very durable, 1.5 meters in length, can be used freely,
Microphone: The microphone core is not easy to produce howling, and the voice is clear, suitable for use by various mobile phone brands.

Product Description: 

1. Microphone size: Φ6.0×2.2mm high sensitivity anti-interference microphone core

2. Sensitivity: -30dB±2dB RL=2.2kO VS=3.0V

3. Directionality: omnidirectional

4. Impedance: ≤2.2kΩ

5. Working voltage: 5.0V

6. Frequency range: 20HZ-16kHz

7. Signal to noise ratio: greater than 60dB

8. Plug diameter: 3.5mm