Introduction
The MECHEN M3 64GB Bluetooth 5.3 MP3 Player is a portable audio and video device designed for high-quality media playback. It features a 2.4-inch touchscreen, 64GB internal storage, Bluetooth 5.3 connectivity, FM radio, voice recording, and e-book functionality. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your device.

Image: The MECHEN M3 MP3 Player showcasing its main interface with music playing.
Package Contents
Please check the package contents upon unboxing to ensure all items are present:
- 1 x MECHEN M3 MP3 Player
- 1 x USB-C Charging Cable
- 1 x AUX Cable
- 1 x Headphone
- 1 x Silicone Protective Case

Image: All components included in the MECHEN M3 MP3 Player package laid out.
Product Overview
The MECHEN M3 MP3 Player features a compact design with a 2.4-inch full touchscreen for intuitive navigation. Physical buttons are located on the sides for power, volume control, and other functions. A USB-C port is provided for charging and data transfer, along with a 3.5mm audio jack for wired headphones. The device also includes a slot for a Micro SD card to expand storage.
Setup
1. Charging the Device
Connect the provided USB-C cable to the MP3 player's USB-C port and the other end to a USB power adapter (not included) or a computer's USB port. The battery indicator on the screen will show charging status. A full charge typically takes approximately 2 hours.

Image: The MECHEN M3 MP3 Player connected via its USB-C port to a charging cable.
2. Transferring Files
Connect the MP3 player to your computer using the USB-C cable. The device will appear as a removable disk drive on your computer. Drag and drop your music, video, e-book, or other compatible files into the appropriate folders on the MP3 player's internal storage or inserted Micro SD card.
3. Inserting a Micro SD Card
Locate the Micro SD card slot on the side of the device. Gently insert a compatible Micro SD card (up to 128GB, not included) into the slot until it clicks into place. Ensure the card is oriented correctly.

Image: An icon representing the 64GB integrated memory of the MP3 player.
Operating Instructions
1. Power On/Off
To power on, press and hold the power button located on the side of the device until the screen lights up. To power off, press and hold the power button, then select "Power off" on the screen.
2. Basic Navigation (Touchscreen)
The device features a 2.4-inch full touchscreen. Swipe left, right, up, or down to navigate through menus and applications. Tap icons to select them.

Image: A finger interacting with the MECHEN M3 MP3 Player's touchscreen, highlighting its full-screen touch functionality.
3. Music Playback
From the main menu, tap the "Music" icon. Browse your music library by artist, album, genre, or folder. Tap a song to begin playback. The player supports various audio formats including MP3, WAV, WMA, AAC, and FLAC, offering high-fidelity sound quality.

Image: An icon representing HiFi sound quality, indicating the player's audio capabilities.
4. Bluetooth Connection
From the main menu, tap the "Bluetooth" icon. Turn on Bluetooth and search for available devices. Select your Bluetooth headphones or speaker from the list to pair. Note: This device cannot be paired with mobile phones or computers via Bluetooth. It is designed to connect to Bluetooth audio output devices only.

Image: The MECHEN M3 MP3 Player wirelessly connected to headphones and a portable speaker via Bluetooth.
5. Video Playback
From the main menu, tap the "Video" icon. Browse your video files and tap to play.
6. FM Radio
From the main menu, tap the "Radio" icon. Ensure wired headphones are connected as they act as the antenna. Scan for available stations or manually tune to a frequency.

Image: The MECHEN M3 MP3 Player screen showing the FM radio tuning interface.
7. Voice Recording
From the main menu, tap the "Record" icon. Tap the record button to start and stop recording. The device supports line-in recording, allowing you to record audio from external sources via the AUX input.

Image: The MECHEN M3 MP3 Player connected to a smartphone via an AUX cable, demonstrating line-in recording functionality.
8. E-book
From the main menu, tap the "E-book" icon. Browse your e-book files and tap to open and read.
Maintenance
1. Cleaning
Use a soft, dry, lint-free cloth to clean the screen and body of the device. Avoid using harsh chemicals or abrasive materials.
2. Battery Care
To prolong battery life, avoid fully discharging the device frequently. Store the device in a cool, dry place when not in use for extended periods.
3. Software Updates
Check the manufacturer's website periodically for any available software updates to ensure optimal performance and new features.
Troubleshooting
- Device not turning on: Ensure the battery is charged. Connect the device to a power source and try again.
- Cannot connect to Bluetooth device: Ensure Bluetooth is enabled on both devices and they are within range. Make sure the MP3 player is not attempting to connect to a phone or computer, as it only supports audio output devices.
- Files not appearing: Verify that files are transferred to the correct folders and are in supported formats (MP3, WAV, WMA, AAC, FLAC for audio).
- Touchscreen unresponsive: Restart the device. If the issue persists, ensure the screen is clean and dry.
- Poor FM radio reception: Ensure wired headphones are properly connected, as they serve as the antenna. Try moving to an area with better signal.
Specifications
| Feature | Detail |
| Brand | MECHEN |
| Model Name | M3 |
| Storage Capacity | 64 GB (Internal) |
| Expandable Storage | Micro SD (up to 128 GB) |
| Bluetooth Version | 5.3 |
| Screen Size | 2.4 Inches |
| Display Technology | LCD |
| Connectivity | Aux, Bluetooth, USB-C |
| Supported Audio Formats | MP3, WAV, WMA, AAC, FLAC |
| Special Features | High-Resolution Audio, Equalizer, FM Radio, Voice Recorder, E-book |
| Battery Type | 1 Lithium Polymer battery (included) |
| Product Dimensions | 3.2 x 3.2 x 4.1 cm (70D x 11B x 50H mm) |
| Item Weight | 71.7 Grams |
Warranty and Support
Warranty: The MECHEN M3 MP3 Player comes with a 1-year manufacturer's warranty. Please retain your proof of purchase for warranty claims.
Customer Support: For any questions, troubleshooting assistance, or feedback regarding your product, please contact MECHEN customer support. Refer to the product packaging or the official MECHEN website for contact details.