Yunir MP3 Player User Manual

1. Introduction

Thank you for choosing the Yunir MP3 Player. This device is designed to provide a portable and versatile music experience with its Bluetooth 5.0 connectivity, 2.4-inch TFT touch screen, and support for various audio formats. 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:

• Yunir MP3 Player
• Wired Headphone
• Charging Cable (USB)

Image: The Yunir MP3 Player, accompanied by its wired headphones and USB charging cable, as included in the package.

3. Product Overview

3.1 Device Layout

Familiarize yourself with the buttons, ports, and screen of your MP3 player.

Image: Multiple side views of the MP3 player, highlighting the volume control buttons (+ and -) and the power button on the side.

Image: A close-up of the bottom edge of the MP3 player, displaying the speaker grille, 3.5mm headphone jack, and Micro USB charging/data port.

• 2.4-inch TFT Touch Screen: For navigation and interaction.
• Volume Buttons (+/-): Adjust audio output level.
• Power Button: Turn the device on/off or lock/unlock the screen.
• 3.5mm Headphone Jack: Connect wired headphones.
• Micro USB Port: For charging and data transfer.
• Micro SD Card Slot: Expand storage up to 256GB (card not included).

4. Setup

4.1 Charging the Device

1. Connect the small end of the included USB charging cable to the Micro USB port on the MP3 player.
2. Connect the larger end of the USB cable to a USB power adapter (not included) or a computer's USB port.
3. The device will indicate that it is charging. Allow sufficient time for a full charge before first use.

Note: Ensure the charging port is clean and free of debris to prevent connection issues.

4.2 Inserting a Micro SD Card

The device has 4GB of built-in memory and supports expansion up to 256GB via a Micro SD card (not included).

1. Locate the Micro SD card slot on the side of the player.
2. Gently insert the Micro SD card into the slot with the gold contacts facing down until it clicks into place.
3. To remove, push the card in slightly until it springs out.

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, then select "Power Off" on the screen.
• Screen Lock/Unlock: Briefly press the Power button to lock or unlock the screen.

5.2 Navigation

The MP3 player features a 2.4-inch TFT touch screen for intuitive navigation. Tap icons to open applications or settings, and swipe to scroll through lists.

Image: The MP3 player's main menu interface, showing various application icons such as Music, Video, FM Radio, and EBook, indicating touch screen functionality.

5.3 Music Playback

The player supports a wide range of audio formats including MP3, APE, FLAC, WMA, WAV, and AAC, up to 24-bit quality.

Image: The MP3 player screen showing a music playback interface, with text indicating support for multiple audio formats like MP3, APE, FLAC, WMA, WAV, and AAC.

1. From the main menu, tap the "Music" icon.
2. Browse your music library by artist, album, genre, or folder.
3. Tap a song to begin playback.
4. Use the on-screen controls for play/pause, skip tracks, and adjust volume.

5.4 Bluetooth Connectivity

Connect to Bluetooth headphones or speakers for wireless audio.

Image: The MP3 player connected to wired headphones, illustrating its audio output capabilities, including the 3.5mm stereo line output jack for stable transmission.

1. From the main menu, tap the "Set" or "Bluetooth" icon (if available).
2. Turn on Bluetooth and scan for available devices.
3. Select your Bluetooth device from the list to pair.
4. Once paired, audio will stream wirelessly to your connected device.

5.5 FM Radio

The MP3 player includes an FM radio function.

1. Connect wired headphones to the 3.5mm jack; they act as the antenna.
2. From the main menu, tap the "FM Radio" icon.
3. Use the on-screen controls to scan for stations or tune manually.

5.6 E-book Function

Read text files directly on your device.

1. From the main menu, tap the "EBook" icon.
2. Browse for compatible text files stored on your device or Micro SD card.
3. Tap a file to open and read.

6. File Management

6.1 Transferring Files

1. Connect the MP3 player to your computer using the USB charging cable.
2. The player should appear as a removable disk drive on your computer.
3. Drag and drop music, video, or e-book files into the appropriate folders on the device's internal storage or the Micro SD card.
4. Safely eject the device from your computer before disconnecting the USB cable.

7. Maintenance

• Cleaning: Use a soft, dry cloth to clean the screen and body of the player. Avoid liquid cleaners.
• Storage: Store the device 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.
• Avoid Drops: Protect the device from physical shocks and drops.

8. Troubleshooting

9. Specifications

10. Warranty and Support

This product comes with a standard manufacturer's warranty. For detailed warranty information, please refer to the warranty card included in your package or contact your retailer.

For technical support or customer service, please contact the vendor through your purchase platform or refer to the contact information provided with the product.