... requirementsAudio device with 3.5mm audio in jack, such as home-hifi,Car speakers etc .Bluetooth transmitting device supporting A2DP profile ... : Mobile Phone, Mp4,Mp3,HIFI IPOD, TV, Bluetooth Stereo Headset,Home theater speaker,etc.Version: Bluetooth 1.2Supported Profiles: A2DP,AVRCP.Charging ...