Features: Bluetooth Compatibility: This MP3 music player can support Bluetooth compatible version 4.0 and also supports MP4 format audio playback. Compatibility: Bluetooth compatible music player is a replacement for Windows XP/VISTA/Windows 8. Audio Recorder: This MP3 external e-book supports audio recording function, you can use it as a recording tool. With memory card: This MP4 voice recorder has a memory card function, which can mark places that have been read and browse automatically. Portable: The compact size of this music electronics makes it perfect to take with you even when exercising.Parameters: Music playback: support MP3, WAV and other playback Recording support: FM MIC recording, format support MP3 WAV Image browsing support: BMP JPG format browsing Video format support: MP4 format (need to be converted on PC through the replacement tool) FM Radio Support Advanced: Included (Recently Read Books, Markup, Autobrowse) Day/Night Mode System support: WINDOWSXP/VISTA/WINDOW8 Recording format: MP3/WAV Maximum support: 128G TF card(not included) Document text reading support Language support English Chinese French Indonesian Portuguese Spanish Italian Support bluetooth receiving and sending Bluetooth: 4.0 supports bidirectional transmission Size: 90.5MM*39.5MM*10MM Net weight about 31gPacking list: 1* MP3 player(excluding TF card) 1* User Manual 1* USB cable