1. Head-mounted stereo active noise reduction headset
2. Driver Unit: 40mm Dynamic Speakers
3. Impedance : 30Ω(when on) 36Ω(when off)
4. Frequency Range : 20Hz - 21000K Hz
5. Reduction level:>18dB at 300Hz
6. Sensitivity: 113dB/mW(when on) 114dB/mW(when off)
7. Plug: 3.5mm, single 8. cable of length:1.5m
9 .Function: support music, call, power display, multi-point connection and noise reduction
10.Color: Black / OEM