Speaker: 40mm
Impedance: 32±15% Ω
Sensitivity: 105dB±3dB at 1KHz
Frequency response: 20 Hz to 20KHz
Microphone: φ6*5.0mm
LED operating voltage: DC 5V±5%
Operating current: ≤ 50mA
Cord length: 2.1±0.15M
Plug: 3.5 mm + USB