... speaker dancer 2+ 1.IR remote control 2.FM radio 3.TF card wonderful vibration speaker dancer 2+Enjoy music anywhere ... 360degree surround sound!!!1.IR remote control 2.FM radio 3.TF card music play back4.External speaker5.built-in battery6 ... bring a new musical life style to you.Key Specification:Li-ion Battery 3.7V ,600mAhOutput Power3WFrenquency Response80Hz-18KHzSource:TFcardPC,MP3,MP4,MD,CD, DVD ...