Feature 1 Touch Buttons: MP3 player is a full touch player with a 1.8 inch touch button hd screen, one touch away. The operation is very convenient. 2 DAC Decoding Chip: MP3 music player uses DAC decoding chip to provide DAP of sound signal to meet more mainstream lossless and compressed formats. 3 Support Formats: Portable MP3 player supports MP3 APE FLAC WMA WAV AAC and other mainstream lossless and uncompressed format music programs up to 24bit. 4 Bluetooth 5.0: Music player features a 3.5mm stereo line output port and uses Bluetooth 5.0 transmission technology for fast and stable transmission. 5 Memory: MP3 has 16GB built in flash memory and can be installed with a memory card, music can be transcribed between the built in flash memory and the memory card for easy music collection.Item Type: MP3 PlayerMaterial: Metal, ElectronicsScreen: 1.8 Inch TFT ScreenBody Storage: 16GBBluetooth: Bluetooth 5.0Support: MP3/APE/FLAC/WMA/WAV/AACPhoto Format: JPEG/BMPE BooK: TXT, LRCFM Radio: 87Hz-108HzSignal To Noise Ratio: Greater Than or Equal To 90dbOS: for Windows98, for ME, for 2K, for XP, for Vista, for Win7, for OS X 10Battery Type: Built In 500mAh Polymer Lithium Battery (Included) Package List1 x MP31 x Wired Headphones1 x Charging Cable1 x Memory Card