... , WMV Audio playing format: MP3,WAV,MID Photo format: BMP,JPG,PNG,GIF Text format: TXT Can adjust luminance of LCD screen automatically ... , MPG/MPEG Audio Format: MP3, WMA, WAV, ASF Picture Format: JPG, JPEG, BMP, GIF Power DC: 5.0V 2A Battery: Replaceable rechargeable lithium-ion ...