Portable Bluetooth Speakers Support Mp3 and TF card(Mini micro card) , Support A2DP,AVRCP,headset,handfree profile Portable Bluetooth Speakers ... ,etc.3. Built-in lithium battery.4. Support TF card(Mini micro card)5. Support A2DP,AVRCP,headset,handfree profileSpecifications:1. Bluetooth ... audio cable.3. User guide. 2012 New Portable Bluetooth Speakers,Mini Mobile Speaker