Sound: stereo,Frequency response: 20 Hz - 20 KHz,

Speaker size: 40 mm, Speaker sensitivity: 119dB 3 dB,

Speaker impedance: 32 ,

Microphone type: omnidirectional,

Microphone size: 6x5mm,

Microphone sensitivity: -36dB 3 dB,

Connectors: 2 x 3.5 mm jack,USB,

Cable length: 2.2