Earphone type: plastic models in-ear Plug: 3.5 (φmm)Sound generation principle: moving coil typeSpeaker diameter: 10 (φmm) single membraneMic wind: MIC -42±3dB(dB)Cable length: 1.15mSpeaker impedance: 16ΩSensitivity: 94±3dB(dB)Horn power: 3-5MWFrequency response range: 20-20000HZ(hz)                        Product function: play/pause/answer/hang up/up/down song selection/add/drop volumeMaterial: TPE + ABS