The vPulse in-ear headphones combine a secure fit with outstanding sound quality, making them the ideal choice for music and mobile calls whenever you want, wherever you go. The vPulse in-ear headphones feature precise, low-distortion audio quality due to its 10 mm driver and aluminum housing. Intuitive in-line controls also provide options for mobile phone calls, music playback and volume...
“ http://www.head-fi.org/forum/thread/562428/review-kozee-infinity-x1-custom-molded-iem See above for my in depth review. This really is a good product. The issue is with the company itself. As I mention in the review, they are not returning emails from customers. And when people do manage to track them down on the phone - they make promises that are apparently not kept. I like Kozee...” --project86