Features 1.[Stable And Efficient] MP4 player uses an octa core MTK chip, making the device more sensitive and run more smoothly. It is equipped with full featured duplex BT for broader and stable BT compatibility and perfect connection with BT headphones, speakers and car stereo. 2.[HD Screen And HiFi Sound] With a 4.0 inch 16 million color HD screen, this MP4 player supports high resolution video and HiFi lossless music playback, which will bring you premium movie viewing and music enjoyment. Touch screen design, more convenient operation. 3.[Long Battery Life] The BT music player has a built in 800mAh 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.[Multifunctional] BT mp4 player can sort songs by title, folder, album, artist, genre, album plus artist, allow to quickly locate target songs by search and add them to playlist in bulk. Provides 4 kinds of play order, including random play, sequential play, loop play, and list loop. 5.[Wireless Upload] This music player not only provides USB cable to upload music and video, but also allows you to share or transfer files via BT and wifi. Using the provided file transfer application, you can easily transfer files between your smartphone and the player, especially for Android devices. specificationItem Type: MP4 Player_x000D_ Material: Metal, Electronics_x000D_ Program: MTK6582_x000D_ Screen: 4.0 Inch IPS High Definition Screen_x000D_ Case: Zinc Alloy Middle Frame_x000D_ Screen Color: 16 Million Colors_x000D_ Screen Resolution: 340 x 800_x000D_ Support Sound Formats: MP3, WMA, WAV, OGG, FLAC, APE_x000D_ Support Video Format: MPEG, RMVB, MPEG 4_x000D_ Operation Mode: Multi Point Touch Type_x000D_ Memory: 2GB with 16GB_x000D_ Memory Card Slot: Support 128GB Memory Expansion (Not Included)_x000D_ Interface: 3.5mm Earphone x 1, Type C x 1_x000D_ Battery Type: Built in 800mAh Lithium Battery PackageList1 x_x000D_ _x000D_ MP4Player 1 x TYPE C Charging Cable 1 x Wired Earphone 1 x Instruction Manual