Features: Stable pairing - MP3 adopts a 4-core MTK chip, making the device respond faster and run smoother. Bluetooth compatibility is wider and more stable, perfectly connecting Bluetooth earphones, speakers, and car audio. Experience Excellent Audiovisual Experience - With a 4-inch high-definition screen, it supports 720P, 1080P high-resolution video and high fidelity lossless music playback. The player has everything an excellent MP4 player should have. It brings you unparalleled movie watching and music enjoyment. The Bluetooth music player is equipped with a built-in 2050mAh lithium battery and adopts a low-power solution, allowing the player to continuously play 24 hours of music or 4 hours of video, fully meeting your travel or outdoor sports needs. Powerful music management - Bluetooth MP3 player can classify your music by artist, album, and song, and quickly locate the target music through search. You can create unlimited playlists and choose playback modes, such as shuffle all, party shuffle, single loop, all loop, etc. Different high-speed wireless transmission - Unlike most current MP3 players, WiFi MP3 players can not only transfer music, videos, and images to your Windows or Mac computer through USB cables, but also wirelessly stream music, videos, and images to your Android smartphone/iOS through the provided files. Built in rich applications, including browser, Bluetooth, FM radio, alarm clock, video, e-book, recorder, to meet your customization needs, especially for middle and high school students. WiFi usage is restricted - WiFi is only used for synchronizing network time, file transfer, and browsers. Do not download music and applications online. In addition, you are not allowed to install additional applications, which means you can only use the applications included with your device. Language support --- English/Russian/Japanese/Korean/French/German/Turkish/Italian//Dutch/Portuguese/Spanish/Swedish/Czech/Danish/Polish/Thai/Hungarian/Romanian/Arabic/Greek/Indonesian and more than 20 countries. Specifications: Product Name: WiFi MP3 Player Product features: Supports WiFi and Bluetooth Product model: M18 Screen material: IPS Resolution: 480 * 800 Operation mode: Touch control Bluetooth version: 5.0 Screen size: 4 inches EBook format: TXT Recording format: MP3/WAV FM function: supports Operating system: Android Battery capacity: 2050mAh Charging interface: type-c Input voltage: 5V1A Charging time: 2 hours Playback mode: repeat playback, single loop, full loop, breakpoint playback, shake to switch songs Music playback: 24 hours (using 3.5mm headphones for screen rest) (laboratory data) Video playback: 4 hours (using 3.5mm headphones) (laboratory data) Memory expansion: Micro SD card (maximum 256GB, format FAT32) Music format: MP3/WMV/FLAC/AAC/WAV/ACELP Video format: AVI/RM/RMVB/FLV/MP4/DAT/MKV/MPG Image format: JPG/BMP/PNG/GIF Running memory: 2GB ROM+16GB Product size: 110 * 52 * 10mm Shell material: aluminum alloy Product color: black Package List: 1 * MP3 player (excluding Micro SD card) 1 * User manual 1 * 3.5MM earphones 1 * type-c data cable