Introduction
Thank you for choosing the AGXOV D28 MP3 Player. This device is designed to provide a versatile portable audio experience with additional features such as FM radio, voice recording, and e-book reading. This manual will guide you through the setup, operation, and maintenance of your new MP3 player.

Image: Front view of the AGXOV D28 MP3 Player, displaying its screen interface and physical control buttons.
Package Contents
Please check the package for the following items:
- AGXOV D28 MP3 Player x 1
- USB-C Cable x 1
- User Manual x 1
- Wired Headphones x 1

Image: The AGXOV D28 MP3 Player, USB-C cable, user manual, and wired headphones laid out as they appear in the product package.
Product Overview
Controls and Ports
Familiarize yourself with the physical controls and ports of your AGXOV D28 MP3 Player:

Image: A detailed view of the AGXOV D28 MP3 Player highlighting its touchscreen and physical buttons. Labels indicate functions such as Back, Play/Pause, Previous, Next, and the multi-functional Volume/Scroll knob.
- Touchscreen: Primary interface for navigation and selection.
- Volume/Scroll Knob: Adjusts volume and can be used for scrolling through menus.
- Play/Pause Button: Starts or pauses playback.
- Previous/Next Buttons: Skips to the previous or next track/item.
- Back Button: Returns to the previous menu or screen.
- USB-C Port: For charging and data transfer.
- 3.5mm Headphone Jack: For wired audio output.
- Micro SD Card Slot: For expandable storage.
Setup
1. Charging the Device
Before first use, fully charge your MP3 player. Connect the included USB-C cable to the player's USB-C port and the other end to a USB power adapter (not included) or a computer's USB port.

Image: The AGXOV D28 MP3 Player being charged via its USB-C port, with an overlay indicating its 128GB built-in storage and support for up to 512GB expandable storage.
2. Transferring Files
To transfer music, videos, or e-books to your player:
- Connect the player to your computer using the USB-C cable.
- The player will appear as a removable disk drive on your computer.
- Drag and drop your desired files into the appropriate folders (e.g., 'Music', 'Video', 'Ebook') on the player's internal storage or an inserted Micro SD card.
- Safely eject the device from your computer before disconnecting the cable.
3. Inserting a Micro SD Card
The player supports Micro SD cards up to 512GB for expanded storage. Locate the Micro SD card slot on the side of the device. Gently insert the card until it clicks into place. To remove, push the card in slightly until it springs out.
Operating
1. Basic Navigation
Turn on the device by pressing and holding the power button. Use the touchscreen to navigate through the main menu icons. Tap an icon to enter a function. Use the physical 'Back' button or swipe gestures (if supported) to return to the previous screen.
2. Music Playback
From the main menu, tap the 'Music' icon. You can browse music by artist, album, genre, or through folders. Select a song to begin playback. Use the physical buttons for Play/Pause, Previous, and Next. Adjust volume using the volume knob.

Image: A user enjoying music with headphones connected to the AGXOV D28 MP3 Player, highlighting the device's HiFi sound capabilities and supported audio formats (MP3, OGG, FLAC, AAC, WAV, WMA, APE).
3. Bluetooth Connection
The AGXOV D28 features Bluetooth 5.3 for wireless audio. To connect to Bluetooth headphones or speakers:
- Go to 'Settings' from the main menu and select 'Bluetooth'.
- Turn Bluetooth 'On'.
- Ensure your Bluetooth audio device is in pairing mode.
- The player will scan for available devices. Select your device from the list to pair.

Image: The AGXOV D28 MP3 Player showcasing its Bluetooth 5.4 capabilities, with icons representing compatibility with earbuds, headphones, and Bluetooth speakers. Wireless earbuds are shown next to the player.
4. Other Functions (FM Radio, Voice Recorder, E-Book, Video Playback)
The AGXOV D28 offers multiple functions accessible from the main menu:

Image: A collage demonstrating the AGXOV D28 MP3 Player's diverse features, including FM Radio, Voice Recorder, E-Book reading, and Video Playback, each with a representative screen display.
- FM Radio: Tap the 'Radio' icon. Connect wired headphones to act as an antenna for better reception. Scan for stations or manually tune.
- Voice Recorder: Tap the 'Recorder' icon. Select 'Start Recording' to capture audio. Recordings are saved automatically.
- E-Book: Tap the 'Ebook' icon. Open compatible text files (.TXT) for reading.
- Video Playback: Tap the 'Video' icon. Play compatible video files (e.g., MP4).
- Settings: Customize display, sound, language, date/time, and other device preferences.
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.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the device regularly, even if not in use for extended periods.
- Software Updates: Check the manufacturer's website for any available firmware updates to ensure optimal performance.
Troubleshooting
| Problem | Solution |
|---|---|
| Device does not turn on. | Ensure the battery is charged. Connect to a power source and try again. If unresponsive, perform a reset (refer to the device's specific reset method, usually a small pinhole button or holding the power button for 10-15 seconds). |
| Cannot transfer files. | Check USB-C cable connection. Ensure the device is properly recognized by your computer. Try a different USB port or cable. Ensure sufficient storage space is available. |
| Bluetooth connection fails. | Ensure Bluetooth is enabled on both the player and the audio device. Make sure the audio device is in pairing mode. Move closer to the audio device. Try unpairing and re-pairing. |
| No sound from headphones. | Check headphone connection. Ensure volume is not muted or too low. Test with different headphones. If using Bluetooth, ensure it's connected correctly. |
| Screen is unresponsive. | Restart the device. If the issue persists, perform a factory reset (note: this will erase all data). |
Specifications
| Feature | Detail |
|---|---|
| Model Name | D28 |
| Brand | AGXOV |
| Memory Storage Capacity | 128 GB (Internal), expandable up to 512 GB via Micro SD |
| Connectivity Technology | Bluetooth 5.3 |
| Screen Size | 2.4 Inches |
| Display Technology | LED |
| Supported Audio Formats | MP3, AAC, FLAC, WAV, WMA, APE, OGG |
| Supported Video Formats | MP4 (and other compatible formats) |
| Special Features | Built-In Speaker, FM Radio, Voice Recorder, E-Book Reader, HiFi Sound |
| Included Components | MP3 Player, USB-C cable, User manual, Wired headphones |
Warranty and Support
Warranty Information
The AGXOV D28 MP3 Player comes with a limited warranty. Please refer to the warranty card included in your package or contact customer support for detailed terms and conditions.
Customer Support
For technical assistance, troubleshooting, or warranty claims, please contact AGXOV customer support through the retailer where you purchased the product or visit the official AGXOV website for contact information.


