1.Full list of album art, lyrics and tag info supported by the X1

Current firmware
X1：FW1.0

Embedded art

External art*

Folder art**

ID3 tag info

Recommended pixel resolution: below 1024*1024 (up to 8192*8192 supported for jpg) for bmp and png

Album

Artist

Title

genre

External lyrics
(LRC)+

MP3

√

√

√

√

√

√

√

√

OGG

×

√

√

√

√

√

√

√

WAV

√

√

√

√

√

√

√

√

WMA

√

√

√

√

√

√

√

√

APE

√

√

√

√

√

√

√

√

FLAC

√

√

√

√

√

√

√

√

AIFF

√

√

√

√

√

√

√

√

M4A

√

√

√

√

√

√

√

√

*External art should be in the form of a jpg, bmp or png of the same filename as the music file.  Takes precedence over folder art.
**, in order of precedence.  If none of these names are found the first image file in the folder in alphabetical order is treated as folder art.
+Supported character encodings for LRC files: ANSI, Unicode, UTF-8 with or without BOM.  External LRC file should have the same filename as the music file.