Noise Isolation: Passive noise cancelling microphone
Speaker Type: High Fidelity
Driver Type: Electrodynamic, 18 mm diameter; 16Ω
Driver Sensitivity: 110dB ± 3dB, 1kHz @-3 dBFS (max volume) with Bluetooth playback
Frequency Range: 10-20,000 Hz
Microphone Type: Electret, Bi-Directional
When using this headset on a PC only: headset's mute function may not be operable if not recognized by the laptop or desktop-based software itself. Mute function on the headset always works properly when paired with a cellular device/mobile phone.