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Amazon.com: MP3 USB Flash Drive Micro SD TF Card Player Lossless Decoder Amplifier Board Module by Envistia Mall : Electronics
![I got this, converted yt music to mp3, transferred them on the sd card, but my audi a4 2010 when I plug it in it says that it's unreadable : r/Audi I got this, converted yt music to mp3, transferred them on the sd card, but my audi a4 2010 when I plug it in it says that it's unreadable : r/Audi](https://i.redd.it/gtbr5gp0ggaa1.jpg)
I got this, converted yt music to mp3, transferred them on the sd card, but my audi a4 2010 when I plug it in it says that it's unreadable : r/Audi
![Micro SD Card Mp3 Player | Connect Micro SD CARD Directly Without Using Card Reader | USB Mp3 Player - YouTube Micro SD Card Mp3 Player | Connect Micro SD CARD Directly Without Using Card Reader | USB Mp3 Player - YouTube](https://i.ytimg.com/vi/gMlqXroedJk/maxresdefault.jpg)