Bluetooth 5.0 2x25W Amplifier V5.0 handsfree MP3 Player Decoder Board 6V-18V Car FM Radio Module Support TF USB U disk AUX Audio. Bluetooth version 5.0. (Press and hold the MODE button to start recording, press and hold the MODE button again to cancel recording and play the recording file; a storage device such as a USB flash drive or TF card needs to be connected during recording;).
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