... bluetooth wireless speaker support A2DP , AVRCP ,handfree , headset etc. TF/Micro sd card support mini bluetooth wireless speaker Function:1. Bluetooth ... .3. Built-in lithium battery.4. Support TF card(Mini micro card)5. Support A2DP,AVRCP,headset,handfree profile6. Support Hands ... audio cable.3. User guide. mini bluetooth wireless speaker,mini digital sound box speaker