Item Type: MP3 Player Material: ABS Built in Battery: 180mah Lithium Battery Memory Card: Maximum Support 64G (not Included) Package List 1 x MP3 1 x Headphone 1 x Lanyard 1 x Plastic Case 18G MEMORY: MP3 player comes with 8G memory, can store 1500 music, support memory card expansion up to 64GB. 2LONG BATTERY LIFE: MP3 music player has a built in 180mah lithium battery for long lasting battery life and lasting listening, and supports multiple ways of charging. 3LOSSLESS SOUND QUALITY: 8GB MP3 player adopts lossless decoding sound quality with polymer speaker diaphragm to make the sound more clear and stable. 4COMPACT AND PORTABLE: Portable MP3 player can be used as a USB flash drive and can be charged directly into the charging head, computer interface. 5MULTIPLE PLAY MODES: Portable music player supports single song play, random play, loop play, continuation play, folder play.