... . Memory Capacity: 1GB-8GB Optional (with South Korea's Hyundai and Samsung Original Genuine)4. Supported audio formats: Support WMA, RM, OGG ... , AAC, M4A, WAV, MP1, MP2, APE, FLAC, CD audio tracks and other mainstream formats, automatic conversion5. Supported video formats: Supports AVI ... , MPEG, MPG, WMV, ASF, MOV, 3GP, FLV, VOB, MKV and other mainstream video formats, automatic conversion