1. Adjustable headband, wearing comfortable
2. The function of the noise elimination technique
3. Omnidirectional microphone, clear voice rebounded
4. Super comfortable soft mattress
5. With the volume control
Mic Type: φ9.7mm*6.7mm
Impedance: Maximum 2.2KΩ
Directivity: Omnidirection
S/N Ratio: More than 60dB
Sensitivity reduction: Within-3dB
Mic Frequency range: 30Hz-16KHz
Speaker:φ40mm
Sensitivity: 108dB+2dB at 1KHz
Rated Power: 30mw
Cord Length: 1.8M