BIRUGEAR 3.5mm FM Transmitter Car Kit + Strap Lanyard for Apple iPod touch 5th Generation, iPod nano 7th Generation , T-Mobile Samsung Galaxy Tab SGH-T849 1 X Universal Wrist Strap Lanyard - Blue LED display for FM channels. Play your MP3 songs through car FM radio. Simply plug-in FM transmitter 3.5mm adapter into your MP3 player headset slot. FM Transmitter is powered either by car cigarette adapter (included) or 2 AAA batteries (sold separately). Device not included.