FM Transmitter, Breett FM Transmitter Wireless radio Multifunctional 3.5mm Octagonal with Hands-free Calling & Car Charger for iPhone 6/6 Plus/5S/5/44, Samsung, HTC, Sony, Blackberry & GPS (Black) FM Transmitter, talk, charge and play music on the go! Perfect audio transmission function. Allows hands-free phone conversation through the car stereo. Play all of your portable audio devices, smartphones with 3.5 mm jack through your car stereo system. Supports full frequency range FM radio to avoid interruption. Comes with extra USB port to charge your device while driving. FM radio transmitter, car charger ensures continuous hours of listening pleasure.