Item Type: MP3 PlayerMaterial: Aluminum AlloyBuilt in Battery: Lithium Battery 200mAhPackage List1 x MP3 Player1 x Charging Cable1 x Headphone1Lossless Sound: This Bluetooth player features excellent sound quality and supports MP3, WMA, FLAC, APE, AAC, OGG and ACELP. 2Large Memory: LCD player supports up to 64G memory card (not included), it is recommended to use for MYMAHDI original memory card. 3Easy to Use: This Bluetooth player uses playlists to select your favorite songs, supports random play and play, supports sleep shutdown. 4Long Lasting Battery: The battery takes about 2 hours to fully charge, and can be used for up to 8 hours when fully charged, you can enjoy music for a long time. 5Aluminum Alloy: This 1.8 inch LCD MP3 player adopts aluminum alloy, ultra thin design, high strength, stable and durable.