1.Stereo Headset for mobile phone 2.earpiece for mp3 and mp4 3.super bass, digital stereo, great performance ... a multifunction button (answer / send). 2. It is compatible with MP3 players, MP4 Players, mobile phones, and more - anything that ... iPhone, screen protector for iphone, case for iPad, case for HTC, case for Blackberry, case for Motorola, case for LG, case for Samsung and other smartphone ...