Mic boom arm with 330-degree rotation

       Material: Metal, ABS and POM

Speaker

       Speaker size: Φ27mm speaker

       Sensitivity: 108dB ± 3dB/mw(at 1KHz)

       Impedance 150 ohm +/-20%

       Frequency Response 200-4KHz

       Distortion: Less than 1% 

Microphone

       Omni directional Microphone

       Sensitivity:-36dB ± 2dB

       Impedance: 2.2k ohm

       Frequency response: 20-3500Hz

       Distortion: Less than 1%

       SNR: ≥ 55dB

       ASP (Acoustic shock Protection)

       Directivity: Noise-cancelling