Pure internet radios support:

• MPEG: 8kbps - 320kbps (this includes MPEG-1-Layer -III, MPEG-2Layer-III and MPEG2.5-Layer-III)
• AAC-LC: 16kbps - 320kbps (M4A but not M4P) - media streaming only.
• All PURE internet radios support DAB+

Pure internet radios do not currently support:

• WMA: 64kbps - 385kbps (WMA4, WMA7, WMA8 and WMA9, including support for VBR & CBR)
• WMA Pro 10 radio streams or
• WAV in media player mode.
• All lossless formats such as Apple Lossless
• AAC+ codecs. Some AAC M4A files use the AAC codec and some use the AAC+ codec, so be sure you're running the correct codec for your radio.