Item Type: MP3 PlayerMaterial: Metal, ElectronicsScreen: 1.8 Inch TFT ScreenOn Body Storage: NoneBluetooth: Bluetooth 5.0Support: MP3 APE FLAC WMA WAV AACPhoto Format: JPEG BMPElectric Book: TXT, LRCFM Radio: 87Hz-108HzSNR: Greater Than or Equal to 90dbOs: For Windows 98, for Windows Me, for Windows 2k, for Windows Xp, for Windows Vista, for Windows 7, for OS X 10Battery Type: Built In 500mAh Polymer Lithium Battery (Included)Package List1 x MP3 Player1 x Wired Headset1 x Charging Cable1 x Memory Card1Touch Control: Full touch screen music player, 1.8 inch touch HD screen operation, responsive and stable operation. 2Decoder Chip: MP3 player uses DAC decoder chip to provide DAP of sound signal to meet more mainstream lossless and compressed formats. 3Multi Formats: MP3 player supports MP3 APE FLAC WMA WAV AAC and other mainstream lossless and uncompressed formats of music programs, up to 24bit, so you can use it more easily. 4Stable Transmission: Full touch screen music player has a 3.5mm stereo line output jack and uses Bluetooth 5.0 transmission technology for faster and more satisfying transmission. 5Memory Expansion: Music player supports Micro Storage Card memory expansion, you can transcribe music between the built in flash memory and memory card.