MAXROCK (TM) 3.5mm Jack Stereo Sport Overear Headphones with Microphone and Volume Remote Control for Cellphones, Tablets.(Blue) Adjustable earhook holding system for secure and comfortable fit, avoiding fall out, best choice for to-go sport headphones Build-in microphone volume control function control your music and take phone calls,cater to different customers, the earphone just control itself and you could adjust your phone sound button to turn up the sound Noise isolating in-ear design, high quality sound performance, compact carrying case suitable for sport , travel choose Strong compatibility: Compatible for all Apple, Android, WP and Symbian phones and the other media player with 3.5mm plug(just music skip for Apple) Durable Sport Carrying case , small, medium,big size, three sets eartips