ACTIVE NOISE CANCELLING
Active Noise canceling with Bluetooth Headsets
Noise canceling: 20+/-3dB
Battery: 300 mah
Driver Unit: 40 mm
Sensitivity: 98dB S.P.L at 1KHz Impedance: 32Ω
Frequency Range: 20Hz - 20kHz
Maximum input Power: 100 mW
50 days