Drive unit: Φ30mm
Inpedance: 32Ω
Frequency response: 18Hz-20KHz
Sensitivity: 110dB
Distortion: ≤1%  At 1KHz
Rated power: 20mW
Max power input: 5mW
Plug: stereoΦ3.5mm
Microphone sensitivity: -58±3dB