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The manual introduces the M4002 high definition player, describing its 4.0‑inch 480×272 color screen, supported audio and video formats, and the layout of its physical buttons and interface. It also details the main menu, application modes such as audio playback, video playback, e‑book reading, and FM radio.
Instructions cover powering the device on and off, connecting to a PC via USB 2.0, using a TF card for storage, managing files in dedicated folders, and charging the built‑in lithium battery with either a computer USB port or the supplied charger. Warranty and service contact information are provided at the end of the guide. This manual is written in Chinese.
| Screen size | 4.0 inch |
|---|---|
| Resolution | 480 x 272 pixels |
| USB interface | USB 2.0 (high speed) |
| Supported audio formats | MP3, WMA, OGG, APE, FLAC, WAV |
| Supported video formats | RMVB up to 1280×720, 720P HD, D1+ resolution |
| Battery type | Built‑in lithium battery |
Press the POWER key; when the device is off, pressing POWER powers the system on.
Connect the player to a computer USB port or use the supplied charger; a charging icon appears in the upper right corner while charging.
Insert the TF card with its metal contacts facing the screen direction; the player will recognize the card and allow file browsing.
Files are organized into folders: EBOOK for e‑books, MUSIC for audio files, PICTURE for images, RECORD for recordings, SYSTEM for system files, and VIDEO for video files.