... .Hot MP3 speaker 3.Li-ion battery 4.USB rechargerable 5.stand dock with speaker 2013 the newest stand dock with speaker with bluetooth and wireless ... amplifier IC--Build-in high capacity Polymer battery with 3 hours working time--Works with Ipod, Iphone, HTC, Blackberry, Samsung …laptop, PC,etc ... can be your OEM,ODM supplier in china. The newest stand dock with speaker with bluetooth and wireless MIC