Function Introduction:
This product's 4K high-definition player can have a built-in 2.5-inch laptop hard drive (applicable to hard drives with a thickness of 7-9mm), and can also be connected to an external USB flash drive or mobile hard drive. It supports automatic loop playback of high-definition videos, pictures and music after power-on. This machine has built-in 5G storage space, and the files that need to be played can be copied to the machine's memory for playback. There is no network function and does not support the installation of other APK software.

Features:
1. Easy to use: Supports adding video, photo and music playback functions to any new or old TV. Just connect a USB drive or memory card to the media player, select a file and play it. It supports landscape and portrait display and automatic playback.
2. Large memory: Built-in 5GB storage space for storing videos, pictures, music and PPT files, etc. Copy the files to be played to local memory. Supports expanded memory, can install a 2.5-inch hard drive (thickness 7-9mm), and the expanded memory can be used as a mobile hard drive.
3. 4K HD output: Provides premium video quality through HD multimedia interface output, supports up to 3840x2160, 4K 30Hz resolution, and can transmit digital surround sound to a home theater receiver. The analog AV output can be used to connect to an old TV or send sound to a stereo system.
4. High compatibility: Supports high-definition multimedia interface 2.0 video output and can be connected to 4K TVs, projectors, monitors, new and old TVs, and splicing screens. Includes HD multimedia interface, AV, optical fiber, USB 2.0, USB 3.0, memory card slot port. Suitable for home video playback and business presentations, etc.
5. Multimedia reading: Read U disk, mobile hard disk, and memory card. Just copy videos, pictures, music, and PPT files to U disk, mobile hard disk, and memory card and insert a 4K media player to play them. Supports copying files to the built-in storage of the 4K media player for playback, which is very convenient to use.
6. Video format support: AVI, MXF, MP4, FLV, MKV, ASF, DAT, RM, RMVB, AMV, F4V, M4V, H.265MP4, VOB, ISO, M2TS, 3GP, 3G2, M2V, MOV, MPG, WMV, MTV, OGV, TS, WEBM, DV, SWF, etc.
7. Audio format support: MP3, FLAC, APE, WAV, WMA, DTS, AAC, M4R, MKA, MP2, AMR, WV, M4A, AC3, AU, AIFF, M4B
8. Image format support: JPG, BMP, JPEG, GIF

Note: Due to differences in encoding, size, production software, etc., there is no guarantee that all the above files in the same format will be supported.