Insert your 3-in-1 into your cigarette lighter. iPhone FM Transmitter function, iPhone Mount holder function and iPhone Car Charger function. It also support charging for your mobile phone,Mp3,Mp4 etc. player by the extra USB port. You can enjoy music by the FM transmitter from your iPhone,Mp3 Mp4 in your car.
iPhone FM Transmitter function:
iPhone Charger function:
iPhone Holder function: