Headphone type: HeadphonesWearing method: head-mountedHeadphone output source: generalPlug diameter: 3.5mm/6.3mmPlug type: straight plug typeFrequency response range: 20-20000 (Hz)Impedance: 40 (Ω)Sensitivity: 107 (dB)Distortion rate: 0.1 (%)Wire length: 3 (m)Speaker diameter: 40 (Φmm)Packing list: earphone + 6.5mm plug + storage bag