Specification: Item Type: MP3 Player Material: ABS Built in Li polymer Battery: 180mAh Maximum Support: 64G Support: Memory Card (Not Included) Package List:1 x MP3 Player (Battery Included) About this item Slim and Portable: MP3 player with its slim body and light weight, easy to carry, so you can easily slip it into your pocket and backpack. HIFI Lossless Sound: Music player adopts professional intelligent digital noise reduction chip and superb circuit optimization technology to reduce noise. Exquisite Design: Simple files management. Fashionable and exquisite appearance, perfect for your entertainment and learning, outdoor and gym fitness. Convenient to Operate: Portable music player supports memory card expansion up to 64GB; easy to use, plug and play. Long Battery Life: Portable music player has a built in 180mAh Li polymer battery for long lasting battery life and long lasting music listening. Slim and Portable: MP3 player with its slim body and light weight, easy to carry, so you can easily slip it into your pocket and backpack. HIFI Lossless Sound: Music player adopts professional intelligent digital noise reduction chip and superb circuit optimization technology to reduce noise. Exquisite Design: Simple files management. Fashionable and exquisite appearance, perfect for your entertainment and learning, outdoor and gym fitness. Convenient to Operate: Portable music player supports memory card expansion up to 64GB; easy to use, plug and play. Long Battery Life: Portable music player has a built in 180mAh Li polymer battery for long lasting battery life and long lasting music listening.