1、Stable Pairing: The player uses an octa core chip to make the device more responsive and run smoother. It comes with full featured BT for wider and stable BT compatibility and perfectly connects with BT headphones, speakers and car stereo. 2、High Definition: The 5.2in 16 million colour high definition screen supports high resolution video and high definition lossless music playback, providing you with unparalleled movie viewing and music enjoyment. It also has a photo function, which allows you to take photos while enjoying beautiful music. 3、High Capacity Battery: The music player has a built in high capacity lithium battery with low power solution, which can play 30 hours of music or 5 hours of video continuously, and even standby for 300 hours, fully meeting your travelling or sports needs. 4、Powerful Music Application: The BT mp4 player can sort songs by Title, Folder, Album, Artist, Genre, Album+Artist, allows to quickly locate the target songs by searching and add them to the playlist in bulk. It also provides 4 common playback orders. 5、High Speed Upload: Unlike most current mp4 players, this mp4 player not only offers USB cable for uploading music and videos, but also allows you to share or transfer files via BT and Fidelity using the provided file transfer apps, especially for Android devices.