With this IMPERIAL BART mini Bluetooth transmitter & receiver with a build-in battery you wirelessly send music to a Hi-Fi set or to a set of active speakers. Through the optical SPDIF input you can even connect a digital music source such as an audio streamer. This Imperial Bart mini also works the other way around. Connect this BART mini to e.g. the headphones output of your television set or the pre-out of your sound system and enjoy the sound with a pair of Bluetooth headphones. All the necessary cabling is supplied by the manufacturer, so you can start using this Imperial Bart mini right away.