For Focus MK2 2004-2007. - Adopt bluetooth 5.0 protocol, backward compatible with 2.0 3.0 4.0 other versions of bluetooth protocol, can support common MP3 format audio, also support for WMA, for WAV, for FLAC, and other highquality audio format decoding, nongeneral ordinary bluetooth function, can support DSD largecapacity transmission, stable data transfer between devices, fidelity, designed for music enthusiasts.
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