Type: HeadsetEarphone type: in ear earphoneHow to wear: in earHeadphone output source: UniversalPlug diameter: 3.5mmPlug type: L-BendWireless headset: wired headsetWith or without microphone: YesSound production principle: moving coilFrequency response range: 20-20000 (Hz)Impedance: 16 (Ω)Sensitivity: 108 (DB)Distortion rate: 0.1%Conductor length: 1.55 (m)Horn diameter: 10 (Φ mm)Earplug / earmuff material: siliconeEarphone cable material: high elasticity