1、BLUETOOTH CONNECTIVITY: MP4 player uses an octa core MTK chip to make the device more responsive and run smoother. It is equipped with full featured Bluetooth for wider and stable Bluetooth compatibility and perfect connection with Bluetooth headphones, speakers and car stereo. 2、MULTI FUNCTIONAL: 0 inch 16 million colors HD screen supports high resolution video and HiFi lossless music playback. It brings you unparalleled movie viewing and music enjoyment. It also has a photo function, so you can take photos to leave beautiful moments while enjoying good music! 3、LONG BATTERY LIFE: Bluetooth music player has a built in high capacity lithium battery with low power consumption solution, which can play 30 hours of music or 5 hours of video continuously, and even standby for 300 hours. Fully meet your travel or sports needs. 4、SORT SONGS: Bluetooth MP4 player can sort songs by Title, Folder, Album, Artist, Genre, Album+Artist, allowing you to quickly locate a target song by searching for it and adding it to the playlist in bulk. It also provides 4 kinds of playback order, including random play, sequential play, loop play, and list loop. 5、WIRELESS TRANSFER: Unlike most current MP4 players, WiFi mp4 player not only provides USB cable for uploading music and videos, but also allows you to share or transfer files via Bluetooth and WiFi. Using the provided file transfer application, you can easily transfer files between your smartphone and the player, especially for for Android devices.