SETUP - The FM Transmitter should be tuned to the same frequency as the Car FM Radio, which should be tuned to an empty station (76.0-108.0 MHz). Plug this car audio FM transmitter into the cigarette lighter socket. Enjoy your music after Bluetooth-pairing your phone and FM transmitter.

HANDS FREE - The Bluetooth FM transmitter can give you a smooth and clear calling experience thanks to its echo cancellation and CVC noise reduction technology. Simply press the FM "Phone" button to answer, hang up, reject, or redial calls. This button also seamlessly transitions between music and incoming calls. You can drive safely with your hands free.

USB - The QC3.0 rapid charge technology, which charges 4 times faster than conventional charging connections, is supported by the FM transmitter. additionally, another USB charging connector (5V/1A) doubles as a U disc port for up to 32GB of storage. While travelling, let your friends use the charging port.

PLAYING MODES - On this car audio transmitter, you can listen to crystal-clear stereophonic music through Bluetooth, USB Flash Drive (32GB), or microSD Card (32GB). To change the playing sources, press the "NEXT" button many times. Music in the MP3/WMA/FLAC/APE/WAV format is supported.

BLUETOOTH - Bluetooth 5.0 outperforms Bluetooth 4.2 in terms of data transfer speed, transmission range, broadcasting capacity, and audio quality. It is also backwards compatible with Bluetooth versions V1, V2, V3, V4, and V4.2. Enjoy a significantly more reliable connection between a device and the audio receiver as well as better data transfer speeds.