Long Battery Life The battery takes about 2 hours to fully charge and can be used up to 8 hours when fully charged, you can enjoy music for a long time. Large Memory: LCD MP4 player supports up to 64GB memory card (not included), it is recommended to use the original MYMAHDI memory card. Easy to Use This MP4 player uses playlists to select your favorite songs, supports random playback and playback, supports sleep stopping. LOSSLESS SOUND This MP4 player provides excellent sound quality and supports MP3, WMA, FLAC, APE, AAC, OGG and ACELP. Aluminum alloy: This 1.8 inch LCD MP4 MP3 player adopts aluminum alloy, ultra thin design, high strength, stable and durable.