XO EP74 4th Generation TypeC Handsfree Black

Earphone type: plastic flat ear typePlug: Type-c Digital Decoding Zhongke Lanxun AB136T2, Exposed 7.0MMSound production principle: dynamic coil typeHorn diameter: 14（ φ Mm) NormalMicrophone: MIC-42 ± 3dB (dB)Wire length: 1.2mHorn impedance: 32 ΩSensitivity: 104 ± 3dBHorn power: 3-5 MWFrequency response range: 20-20000HZ (Hz)Product function: Click on play/pause/answer, long press 1s to hang up, long press 3S to reject, double click on play key, next song, three clicks on play key, previous song+key, volume increase - key, volume decrease, long press function key, 3S to wake up voice assistantProduct material: TPE wire material, ABS material, weight: 11g(Some phones require OTG function to be turned on)