Technical Specifications for Sony Ericsson Stereo Portable Handsfree HPM-70
In-ear earpieces for crisp sound. Listen to your tunes and mp3s in stereo. High-quality microphone on the lead. Fast Port System connector to connect the headset to your compatible Sony Ericsson phone. 3.5mm Stereo Connector so you can use the headphones with other stereos that have a 3.5mm jack.