... , Support A2DP,AVRCP,headset,handfree profile Mp3 mini bluetooth speakerFunction:1. Bluetooth synchronous broadcasting function2. ... -in lithium battery.4. Support TF card(Mini micro card)5. Support A2DP,AVRCP,headset,handfree ... Charging time: about 2 hours.8. Power supply: USB Power9. Rated power:3w10. Dimension: 6mm*60mm*50mm11 ... Color: Black,Red,Blue,SilverAccessory:1. USB Charging line.2. User guide.