Introduction
The SWOFY M4 MP3 Player is a versatile portable music device designed for high-fidelity audio playback. Featuring a 2.4-inch touch screen and Bluetooth 5.4 connectivity, it offers a comprehensive multimedia experience. This manual provides instructions for the setup, operation, and maintenance of your device, ensuring you can fully utilize its features for music, e-books, videos, and more.

Image: The SWOFY M4 MP3 Player displaying its main interface with various application icons.
Package Contents
Please check the package contents upon unboxing to ensure all items are present:
- 1x SWOFY M4 MP3 Player
- 1x Wired Headphones
- 1x USB Type-C Cable
- 1x User Manual
- 1x Protective Cover

Image: All components included in the SWOFY M4 MP3 Player retail package.
Product Overview
Familiarize yourself with the physical components of your SWOFY M4 MP3 Player:

Image: Labeled diagram of the SWOFY M4 MP3 Player's buttons and ports.
- Volume + / Volume -: Adjust the audio output level.
- Power ON/OFF: Press and hold to power the device on or off. A short press will turn the screen on/off.
- Type-C Port: Used for charging the device and connecting to a computer for data transfer.
- Reset Button: A small pinhole button to restart the device if it becomes unresponsive.
- 3.5mm Headphone Jack: Connect wired headphones for private listening.
- TF Card Slot: Insert a Micro SD card (up to 512GB) to expand storage capacity.
- Touch Screen: 2.4-inch sensitive display for navigation and interaction.
- Built-in Speaker: For audio playback without headphones.
Setup
1. Charging the Device
Before first use, fully charge your MP3 player. Connect the provided USB Type-C cable to the device and a USB power adapter (not included) or a computer's USB port. A full charge typically takes approximately 2 hours and provides up to 50 hours of music playback.

Image: Battery life and charging duration details for the MP3 player.
2. Power On/Off
To power on the device, press and hold the Power ON/OFF button until the screen illuminates. To power off, press and hold the Power ON/OFF button again and confirm the shutdown prompt on the screen.
3. Transferring Files
Connect the MP3 player to your computer using the USB Type-C cable. The device will appear as a removable disk. You can then drag and drop music, video, photo, or e-book files directly into the appropriate folders on the device's internal storage or inserted Micro SD card.
Operating Instructions
1. Navigation
The SWOFY M4 features a full touchscreen interface. Swipe left or right to navigate between main menu screens. Tap on an icon to open an application or menu. Use the back arrow or swipe gestures (if available) to return to the previous screen.
2. Music Playback
Tap the "Music" icon on the home screen. You can browse your music by artist, album, genre, or folders. The player supports various HiFi lossless audio formats including MP3, OGG, FLAC, AAC, WMA, WAV, and APE. You can listen via the built-in speaker or connected headphones.

Image: The MP3 player highlighting its HiFi Lossless Sound capabilities and supported audio formats.
3. Bluetooth Pairing
Tap the "Bluetooth" icon. Turn on Bluetooth and scan for available devices. Select your Bluetooth headphones or speaker from the list to pair. The device uses Bluetooth 5.4 for stable connections. Note: This device does not support connections to car Bluetooth systems, PCs, or mobile phones.

Image: The MP3 player demonstrating its Bluetooth connectivity for audio accessories.
4. FM Radio
Tap the "Radio" icon. Connect wired headphones as they often act as the antenna. You can then auto-scan for stations or manually tune to a frequency.
5. E-Book Reader
Tap the "E-Book" icon to access your digital books. The player supports common e-book formats (e.g., TXT). Browse your library and tap to open a book.
6. Video Playback
Tap the "Movie" icon. The device supports AMV and AVI video formats. Videos may require conversion to these formats for optimal playback. Ensure videos are placed in the designated video folder.

Image: The MP3 player showcasing its video playback capabilities.
7. Voice Recording
Tap the "Record" icon to access the voice recorder function. You can start, pause, and save recordings directly on the device.
8. Photo Viewing
Tap the "Picture" icon to view your stored images. The device supports common image formats.
9. Settings
Tap the "Settings" icon to customize various device parameters, including language, date and time, display brightness, and system information.
Maintenance
- Cleaning: Use a soft, dry, lint-free cloth to clean the device. Avoid using liquid cleaners or aerosols.
- Storage: Store the MP3 player in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the device frequently. Charge it regularly, even if not in use for extended periods.
- Software Updates: Periodically check the manufacturer's website for any available firmware updates to ensure optimal performance and new features.
Troubleshooting
If you encounter issues with your SWOFY M4 MP3 Player, refer to the following common problems and solutions:
| Problem | Solution |
|---|---|
| Device does not power on. | Ensure the battery is charged. Connect to a power source. If unresponsive, locate the reset pinhole and gently press it with a thin object (e.g., paperclip) to restart the device. |
| Bluetooth connection issues. | Ensure your Bluetooth accessory is in pairing mode. Verify that the MP3 player's Bluetooth is enabled. Remember, the device does not connect to car Bluetooth, PCs, or mobile phones. Try unpairing and re-pairing the device. |
| Cannot transfer files to the device. | Check the USB-C cable connection. Ensure the device is properly recognized by your computer. Try a different USB port or cable. |
| Poor sound quality. | Check headphone connection. Try different headphones. Ensure the audio files are not corrupted or of low quality. Adjust equalizer settings if available. |
| Touchscreen is unresponsive. | Restart the device by holding the power button. If it remains unresponsive, use the reset pinhole. |
| Difficulty creating playlists. | As an alternative, organize your music into folders on the device. You can then play music by navigating through these folders. |
| Battery drains quickly. | Reduce screen brightness. Close unused applications. Ensure Bluetooth is off when not in use. Avoid extreme temperatures. |
Specifications
| Feature | Detail |
|---|---|
| Brand | SWOFY |
| Model Number | SF-M4US-128GB-NA2 |
| Connectivity Technology | Bluetooth 5.4 |
| Internal Memory Storage | 128 GB |
| Expandable Storage | Up to 512GB via Micro SD card (TF Card) |
| Screen Size | 2.4 inches |
| Compatible Devices | Headphones, Bluetooth Speakers |
| Supported Audio Formats | MP3, FLAC, WAV, AAC, OGG, WMA, APE |
| Supported Video Formats | AMV, AVI (conversion may be required) |
| Battery Life | Up to 50 hours music playback |
| Charging Time | Approximately 2 hours for full charge |
| UPC | 762786808927 |
Warranty and Support
For warranty information, technical assistance, or customer support, please refer to the documentation included with your purchase or visit the official SWOFY website. Contact details for customer service are typically provided on the product packaging or within the user manual.







