... .0 high speed transmission 4,warranted 1 year Basic Function Music: Supporting the format of MP3, WMA and WAV. Support TF ... rotate connect line(can choose)more explanations: This mini audio box has various color to choose,like Black,Pink , Blue,Purple ... unique design makes tone performance perfectMini audio box with new concept integral stereo portable mobile music, connecting your MP3, CD, DVD, iPod ...