Headphone type: in-ear headphonesWearing method: rear windingHeadphone output source: HiFiPlug diameter: 3.5mmPlug type: L bentSound principle: moving coilFrequency response range: 20Hz-20000 (Hz)Impedance: 16 (Ω)Sensitivity: 109 (dB)Wire length: 1.25 (m)Speaker diameter: 10 (Φmm)