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! Fit : Comfortable fit Quality : Tensile resistance HD talking : Yes Cord : Copper cord Sound : Sound orientation Application : Compatible with all mobile phones, music players, portable gaming devices and computers Phone Support : Built in mic with answer/call end. Seamlessly switch between calls and music Working power : 100mw Frequency response : 20 – 20000 Hz Wire length : 120 cm Jack : 3.5 mm jack Speaker : 10mm unit size moving coil speaker