12V Car Bluetooth5.0 MP3 Player Decoder Board Module w/Display LINE IN/FM/USB/TF
Mode: TF card and U disk: USB→TF→Bluetooth→FM→AUX switching sequence;. Only TF card: TF→Bluetooth→FM→AUX switching sequence;. Without USB or TF card: Change the order of FM→AUX→Bluetooth. Directly supports signal switching.