??1). Play Micro SD Card’s Audio file, then wireless transmit the audio to car FM radio via its FM transmitter;
??2). Play Micro SD Card’s Audio file, then wired transmit the audio to car stereo via 3.5mm audio cable;
??3). Wired Receive Mobile; MP3/MP...
??1). Play Micro SD Card’s Audio file, then wireless transmit the audio to car FM radio via its FM transmitter;
??2). Play Micro SD Card’s Audio file, then wired transmit the audio to car stereo via 3.5mm audio cable;
??3). Wired Receive Mobile; MP3/MP4 Player; CD/DVD player’s audio signal via 3.5mm audio cable, then wireless transmit this audio to car FM radio via its FM transmitter;
??4). Bluetooth Receives Mobile’s Calls, Music, Google/Apple Maps Navigation Voice , then wireless transmit the audio to car FM radio via its FM transmitter;
??5). Bluetooth Receive Mobile’s Calls, Music, Google/Apple Maps Navigation Voice, then wired transmit the audio to car stereo via 3.5mm audio cable.
??6). Wired Receive Mobile’s Calls, Music, Google / Apple Maps Navigation Voice audio signal via 3.5mm audio cable, then wireless transmit Audio signal to car FM radio via its FM transmitter;
??7). 5V/2.1A smart and faster Car USB charger for all portable devices or power bank;
??
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