1. STORE OVER 10,000 SONGS: This MP3 player with Bluetooth supports up to 128GB memory card(not include) expansion. It supports music formats such as MP3, WMA, WAV, APE, FLAC, AAC-LC, M4A, OGG, etc.The built in 500mAh battery only takes 2 hours to charge 2. HIFI LOSSLESS SOUND QUALITY: This MP3 player with Bluetooth is built with quality speakers and a powerful sound decoding chip. Equipped with a 3.5mm headphone jack. 3. BLUETOOTH CONNECTION: If you don't like the restrictions of headphone wires, you can connect to this portable MP3 player via Bluetooth, which equipped with Bluetooth 5.4, has stable transmission and prevent interference capabilities, and you don't have to worry about the Bluetooth signal being intermittent, so you can fully enjoy your music. Please note that the Bluetooth function only supports the connection of Bluetooth headphone and Bluetooth speakers Specification: Item Type: MP3 Player Material: ABS Color: White Screen: 2.0in IPS screen Bluetooth: Bluetooth 5.4 Sound Port: 3.5mm Headphone jack Video: Resolution 240x288, format AVI E book Format: TXT Supported Operating Systems: For vista, for OS X 10, 12 above Software Language: English, French, German, Russian, Spanish, Korean Package Contents: 1*MP3 Player(With 64G memory card) 1*cable