What audio file formats does the PartyBox 100 support via USB?
The PartyBox 100 supports .mp3, .wma, and .wav file formats via USB. The USB storage device must be formatted as FAT16 or FAT32. Simply plug your USB storage device into the USB port and music will play automatically. (Page 7)
From the official Jbl Jbl Partybox 100 Wireless Speaker Specifications manual, page 7
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