Description: Bluetooth-compatible: This MP3 music player can support bluetooth-compatible 4.0 version and also supports MP4 format for audio playback. Compatibility: The bluetooth-compatible music player is compatible with replacement for Windows XP/VISTA/Windows 8. Voice recorder: This MP3 external e-book supports voice recording function, you can use it as a recording tool. With memory card: This voice recorder has a memory card function, which can mark places that have been read and browse automatically. Portable: This MP4 with built-in sound speaker is small in size, which is very suitable to carry around even when you are exercising. Specification: System support: Replacement for Windows XP/VISTA/8. Recording format: MP3/WAV. Support 9 languages. Size: Approx. 90.5mmx39.5mmx10mm/3.56x1.55x0.39inch. 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. Document text reading support. Support bluetooth-compatible receiving and sending Bluetooth-compatible: 4.0 version. Color: White, blue, red, black. Note: There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: Type 1: 1 Piece Music Player(with 1 Piece User Manual, with 1 Piece Charging Cable). Type 2: 1 Piece Music Player(with 1 Piece User Manual, with 1 Piece Charging Cable, 1 Piece for TF Card).