Product information:Headphone type: headphoneWearing method: head-mountedPlug diameter: 3.5mmPlug type: straight plug typeFrequency response range: 20-2000 (Hz) (Hz)Impedance: 16±15% (Ω)Sensitivity: 120±3 (dB)Distortion rate: 0.05 (%)Wire length: 2.2 (m)Speaker diameter: 50 (Φmm) (Φmm)Weight: 330 (g)Colour: BlackPacking list:Headphone*1 Manual*1