Features 1、HD Screen: Portable HIFI sound MP3 is a 3.97in 16 million color HD screen that supports high resolution video and HIFI lossless music playback. 2、Stable Operation: Full touch MP3 uses an octa core MTK chip for faster response and more stable operation of the device. Equipped with full featured duplex bluetooth, and perfect connection with bluetooth headphones, speakers and car stereo. 3、Long Battery Life: Full touch MP3 has a built in 1500 mAh high capacity lithium battery with a low power solution that can standby for 200 hours. Fully meet your travel or sports needs. 4、Wireless Upload: MP4 recorder providing not only USB cable to upload music and video, but also bluetooth and wifi to share or transfer files. You can easily transfer files between your smartphone and player by using provided APP, especially for Android devices. 5、Application: 3.97in MP4 recorder can sort songs by title, folder, album, artist, genre, album and artist. It also provides 4 kinds of playback order: random play, sequential play, loop play, and list loop. Specification Item Type: MP4 Recorder Material: Metal, Electronics Display: 3.97in TFT Display Resolution: 480x800 Memory: RAM 2GB, ROM 16GB Memory Card Slot: Support up to 128GB Memory Card Expansion (Ships with 64GB Memory Card) Support Sound Formats: MP3, WMA, WAV, OGG, FLAC, APE Support Video Format: MPEG,RMVB,MPEG-4 Operation Mode: Multi Touch Type Interface: 1 x 3.5mm Headphone, 1 x Type C Battery Type: Built In 1500mAh Lithium Battery (Included) Package List 1 x MP4 Player 1 x Type C Charging Cable 1 x Wired Headphones 1 x Protective Case 1 x Small Memory Expansion Card 1 x Instruction Manual