This is an adapter that connects USB flash drive, SD/MMC card, iPod, iPhone to car radio. XCarLink acts as a CD changer, make us enjoy MUSIC or Movie, download whatever we like from Internet. And Bluetooth function for Mobile phone.
It does not use FM transmitter, but wire connection.(Plug into the CD changer port of the Head Unit). Once it is equipped, we can have our selection from the car radio's buttons or steering wheel controls,
For example,
1 choose playlist
2 Select songs by Next or Previous
3 Multi Play mode: Repeat, Random, Scan
4 Charge function
5 3.5mm aux in
6 bluetooth function