Product description: Wide dynamic range,a broader range, Excellent bass response,Connect to all MP3 players and digital audio device, Functional wired controller for mobile phone, easy switch between music and communication 3.5mm quality audio connecting cable is compatible for mobile phones and tablets, TPE anti-winding design enhances the durability, flexibility and longevity of the cable, Remote control button function support line control : The next song/ The last song/ Pause/ Hung up the phone. Frequency Response: 20Hz~20KHz? Impedance: 16 ?? Sound Pressure Level (SPL): 110dB? Connector: 3.5mm stereo? Cable Length: 1.2m? Type: In-ear? Sound: Bass stereo sound? Microphone: Yes? Package Included: 1 X In-ear Head phone 3.5mm Stereo Headset Build-in Microphone Sport (Random color ship Red/Black/White)