Mini Speaker for Ipod, Mp3 Players, Cd/dvd Players, Portable (Silver) - Fast Trax New mini aluminum vibration film loud speaker, which has clear alt and pure woof. The unique design makes tone performance perfect. Mini audio box with new concept integral stereo portable mobile music, connecting your MP3,MP4,CD, DVD, iPod, iPhone, GPS, PSP, mobile phone, notebook computer. Power supply charge via computer USB Jack, allows you to enjoy the charm of digital products at any time. Built in 5C Lithium battery playback above 4 hours TF card connection support