Speaker: Φ40mm
Impedance: 30±15%Ω
Sensitivity: 90dB±3dB
Frequency response: 20Hz to 20kHz
Microphone: Ø6.0×2.7mm
Microphone sensitivity: -42±3dB
Operating Current: ≤150mA
cord Length: 2.0m±5cm
Plug: 7.1 USB plug
Size: 86*192*196mm
product weight: 325g