Classic but upgraded. The KDM earphone collection is the perfect combination of convenience and efficiency that settles easily in your ears and takes your senses to another level with the fathomless bass and all-round frequency. So, ready, set, ROCK! Feature : One of the best-selling products Quality : Best sound effect, Ultimate Sound Feature Specially Made With Moving Coil Speaker Sound : Noise isolation with precise bass working power : 100mw unit size : 10 mm mic quality : Yes Hi-Fi Sound Quality : Yes Voice : Clear Human Voice Mic : Hands Free in-Line Microphone Jack : 3.5 mm Wire length : 120 cm