Bluetooth 5.3 Mini USB FM Transmitter Easy Join Car Audio System Without Cabling

● Audio output: FM transmitter. Features of our USB Transmitter Receiver ● Bluetooth version: V5.3. Long press or short press the "+" and "-" buttons to adjust quickly and slowly. Set the FM frequency band through the multi-function M button, then turn on the car radio, and adjust the FM frequency band of the radio to be consistent with that of FM02.

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