1. Introduction
Thank you for choosing the AGXOV D28 MP3 Player. This device is designed to provide a versatile and high-quality audio experience, featuring Bluetooth 5.4 connectivity, a built-in HD speaker, FM radio, voice recording, and e-book functionality. This manual will guide you through the setup, operation, and maintenance of your new MP3 player.
2. Package Contents
Please check the package for the following items:
- AGXOV D28 MP3 Player
- USB Charging Cable
- Earphones
- User Manual (this document)

Image: Contents of the AGXOV D28 MP3 Player package.
3. Product Overview
The AGXOV D28 MP3 Player features a compact design with both touchscreen and physical button controls for ease of use. It includes a 2.4-inch screen and a dedicated volume/scroll wheel.

Image: Front view of the AGXOV D28 MP3 Player highlighting its touchscreen and physical control buttons.
Key Features:
- Display: 2.4-inch full touchscreen
- Storage: 128GB built-in, expandable up to 512GB via MicroSD card
- Connectivity: Bluetooth 5.4 for wireless audio
- Audio: HiFi lossless sound quality, built-in HD speaker
- Functions: Music player, video player, picture viewer, FM radio, voice recorder, e-book reader, stopwatch, calendar, pedometer
4. Setup
4.1 Charging the Device
Before first use, fully charge the MP3 player. Connect the included USB cable to the device's charging port and plug the other end into a USB power adapter (not included) or a computer's USB port. The charging indicator will show the charging status.
Note: A full charge typically takes approximately 2-3 hours. The device offers up to 50 hours of music playback or 6 hours of video playback on a full charge.
4.2 Transferring Files
To transfer music, videos, pictures, or e-books to your MP3 player:
- Connect the MP3 player to your computer using the provided USB cable.
- The device will appear as a removable disk on your computer.
- Drag and drop your desired files into the appropriate folders (e.g., "Music" for audio files, "Video" for videos, "Pictures" for images, "Ebook" for text files).
- Safely eject the device from your computer before disconnecting the USB cable.

Image: The MP3 player connected via USB, showing its storage capabilities.
4.3 Inserting a MicroSD Card
If you wish to expand the storage, insert a MicroSD card (up to 512GB, not included) into the designated slot on the side of the player. Ensure the card is inserted correctly until it clicks into place.
5. Operating Instructions
5.1 Power On/Off
- To Power On: Press and hold the power button until the screen lights up.
- To Power Off: Press and hold the power button until the power-off options appear, then select "Power Off".
5.2 Basic Navigation
The AGXOV D28 features a touchscreen for primary navigation. Swipe to browse menus and tap to select options. Physical buttons are also available for common functions:
- Back Button: Returns to the previous screen.
- Play/Pause Button: Starts or pauses playback.
- Previous/Next Buttons: Skips to the previous or next track/item.
- Volume/Scroll Wheel: Adjusts volume during playback or scrolls through lists in menus.
5.3 Music Playback
From the main menu, tap the "Music" icon to access your audio library.
- Supported Formats: MP3, OGG, FLAC, AAC, WAV, WMA, APE.
- Browsing: Navigate by Artist, Album, Songs, Genres, or Folders.
- Creating Playlists: Organize your music by creating folders on your computer and transferring songs into them. The player's folder management system will recognize these.
- Equalizer: Access the 7-band Pro Equalizer in settings to customize your sound profile (e.g., Rock, Pop, Electronic, Classical, Jazz, Vocal, or custom).

Image: Demonstrating the HiFi sound quality of the AGXOV D28 MP3 Player.
5.4 Bluetooth Connection
Connect your AGXOV D28 to Bluetooth headphones or speakers for a wireless listening experience.
- From the main menu, tap the "Bluetooth" icon.
- Turn on Bluetooth on the MP3 player.
- Ensure your Bluetooth headphones or speaker are in pairing mode.
- The MP3 player will scan for available devices. Select your device from the list to pair.
- Once paired, audio will be routed to your Bluetooth device.

Image: The MP3 player connected wirelessly via Bluetooth 5.4 to earbuds.
5.5 FM Radio
Tap the "Radio" icon to access the FM radio function. You can auto-scan for stations or manually tune to your preferred frequencies.
5.6 Voice Recorder
Tap the "Recorder" icon to start a voice recording. Recordings are saved to the device's internal storage or MicroSD card.
5.7 E-Book Reader
Tap the "Ebook" icon to open text files. The device supports various text formats for reading on the go.
5.8 Video and Picture Viewer
Access "Video" or "Pictures" from the main menu to view your stored media files.
5.9 Settings and Tools
The "Settings" icon allows you to customize various aspects of your player, including display, sound, and system preferences. Additional tools like Stopwatch, Calendar, and Pedometer are also available from the main menu.
6. File Management
The AGXOV D28 features an intuitive folder management system. All your media files (music, videos, pictures, e-books) are automatically organized into their respective categories. You can also browse files directly through the "Folder" icon on the main screen, which allows access to both internal and external (MicroSD) storage.
For easier navigation and playlist creation, it is recommended to organize your music files into specific folders on your computer before transferring them to the device.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the device. Avoid liquid cleaners or abrasive materials.
- Storage: Store the player in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Avoid dropping the device or exposing it to strong impacts.
- Water Exposure: This device is not waterproof. Avoid contact with water or excessive moisture.
8. Troubleshooting
| Problem | Possible Solution |
|---|---|
| Device does not power on. | Ensure the battery is charged. Connect to a power source and try again. If unresponsive, perform a hard reset (refer to device specifications for reset button location, if any, or hold power button for an extended period). |
| Cannot connect to Bluetooth device. | Ensure Bluetooth is enabled on both the MP3 player and the target device. Make sure the target device is in pairing mode and within range. Try unpairing and re-pairing. |
| Files are not appearing on the player. | Verify that files were transferred to the correct folders. Check file formats for compatibility. Ensure the MicroSD card (if used) is properly inserted and functional. |
| Short battery life. | Reduce screen brightness. Turn off Bluetooth when not in use. Close background applications. Ensure the device is fully charged before use. |
| Poor sound quality. | Check earphone connection or Bluetooth connection. Ensure audio files are of good quality. Adjust equalizer settings. |
9. Specifications
| Feature | Detail |
|---|---|
| Brand | AGXOV |
| Model Number | D28 |
| Screen Size | 2.4 inches |
| Internal Storage | 128GB |
| Expandable Storage | Up to 512GB (MicroSD card) |
| Bluetooth Version | 5.4 |
| Battery Capacity | 410mAh |
| Music Playback Time | Up to 50 hours |
| Video Playback Time | Up to 6 hours |
| Supported Audio Formats | MP3, OGG, FLAC, AAC, WAV, WMA, APE |
| UPC | 724977334851 |
10. Warranty and Support
For warranty information and customer support, please refer to the documentation included with your purchase or contact AGXOV customer service through the retailer where the product was purchased. Keep your proof of purchase for warranty claims.


