Unifire&reg; New Wireless Bluetooth A2dp 3.5mm Stereo Hifi Audio Dongle Adapter Receiver To add Bluetooth functions to your devices immediately. Turn your regular music devices into a Bluetooth-enabled, wireless streaming machine, such as PC, TV, MP3, MP4, Diskman. Then you can pair your regular music devices with your Bluetooth Speaker or Headphone wireless. Support paired Bluetooth speaker and headset to control lay/pause forwards/backwards. You are able to control music choices as it plays from the pc or laptop directly to the Bluetooth stereo system. Support Bluetooth audio and video remote control profile. Support: Mobile Phone, MP4, MP3,HIFI, TV, and other 3.5mm music devices without Bluetooth function