New Bluetooth Hands-free Calling Fm Transmitter

How to use car MP3:



1. Turn on the car's radio and tune to an idle frequency (no radio frequency)



2. Insert this product into the car Cigarettee lighter socket and set the frequency to match the frequency of the radio



3. Insert the downloaded memory card or USB flash drive into the machine, or connect the phone to Bluetooth



4. This machine will automatically play the memory card or U disk or music in the phone
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