Mondpalast Wireless Bluetooth 3.5mm AUX Audio Stereo Music Home Car Receiver Adapter unlimited music mobile tablet laptop PSP office car Bluetooth v3.0, A2DP stereo profile, Class2 range33' (10m) 3.5mm stereo inlet socket, wireless music receiver connects to 3.5mm headphones jacks Use with home stereos/ speakers,car stereos, headphones (etc.) One touch connect button for continuous with mini-USB charger, Sleeping mode for energy saving Can connect microphone and support phone calling through Bluetooth dongle