With Switch ON/OFF
Sensitivity: 110+/-3dB
Impedance:32 ohms+/-10%
Frequency range:20~20KHz
Active cancellation:Up to 30~35dB between 20~600Hz
Power: rechargeable battery
This noise canceling function is on MIC. So when you are in ablare entironment for one call,
MIC will reduce noise from background for avoiding to say big sound to Mobile phone (or Iphone, Google Phone).
