Phrond Earphones In ear Headphones Classic design Earbuds Stereo Bass Headsets with Microphone and Volume control For iPhone iPod iPad and All Android smartphones Table MP3/MP4 Players (Blue) Premium Earbuds for the High Sound Quality with Super Bass Classic design, natural simplicity, creative fashion, comfortable sense of hearing experience Built in Mic and Multifunction Control: Answer Calls - End Calls - Play - Pause - Fast Forward - Rewind Works with All Apple Devices, Androids Smartphone, Windows Phone, Mp3/Mp4 Player, Portable Musics Player, Computer, Laptop, Tablet Devices etc. Driver diameter:10mm, Frequency Response:20-20,000Hz, Sensitivity: 1083dB/mW, Impedance: 30, Cable Length:1.2m