Widely Compatible: Our Bluetooth FM transmitter adapter for car radio, transfer calling/MP3 Music/Cellphone voices to the car speaker. Compatible with most smartphones and Bluetooth-enabled devices.

A device that adapts an MP3 player or other portable audio source to a car's audio system via the FM radio. It retransmits the analog output of the headset jack as one of several FM channels ...

Generic MP3 car adapters work with all players ... which is wired to a socket that is mounted on the dashboard. FM transmitters and cassette adapters provide two easy ways to attach a player ...