Choose Aux from the panel and connect your phfor one or mp3. Can be used with radios if only there is socket for our connector and it has AUX function. 4.0 version, and compatible with 2.0 3.0 4.0 other versions, can support the commonly used MP3 format audio, but also support the WMA WAV FLAC, and other high-quality audio format decoding, non-ordinary functions, can support DSD large capacity transmission.
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