Specifications Feature Specification Model M109 Material ABS+TPE enameled wire Driver Diameter 14mm Cable Length 1.2m Weight 10g Audio Plug 3.5mm Frequency Response Range 20 - 20000Hz Sensitivity 98dB Impedance Range up to 32 ฮฉ Resistance 32 ฮฉ Vocalism Principle Dynamic Features With microphone, Sound Isolating, Waterproof, Control Button, Volume Control NFC Technology No Communication Wired Style Wired in-ear headphones Origin Mainland China