... adapter Bluetooth CSR 2.1 Supported Profiles: A2DP,AVRCP/ Support: Mobile Phone, Mp4,Mp3,HIFI IPOD, TV, Bluetooth Stereo T06 ... Powered by inbuilt lithium battery or USB port.7)Support: Mobile Phone, Mp4,Mp3,HIFI IPOD, TV, Bluetooth Stereo ... Up to 5 hoursSpecifications Bluetooth versionBluetooth V2.1Bluetooth profilesA2DP and AVRCPBluetooth frequency range2.402GHz-2.480GHzOperating distance10 meters, ...