1. Product Overview
The Tangxi Classic Digital MP3 Player is a portable audio device designed for music playback. It features a 1.8-inch LCD screen and supports various audio formats, offering a straightforward user experience for enjoying your music on the go.

Figure 1.1: Tangxi Classic Digital MP3 Player (Green model shown).
Key Features:
- Lossless Sound Quality: Supports MP3, WMA, FLAC, APE, AAC, OGG, and ACELP audio formats.
- Expandable Memory: Supports up to 64GB memory card (card not included).
- Long Battery Life: Up to 8 hours of playback on a full charge.
- User-Friendly Functions: Includes random play, playback options, and sleep shutdown.
- Durable Design: Constructed from premium aluminum alloy.
- FM Radio: Integrated FM radio functionality.
2. Package Contents
Please check the package for the following items:
- Tangxi Classic Digital MP3 Player
- Earphones
- USB Charging Cable

Figure 2.1: MP3 player, earphones, and USB cable included in the package.
3. Device Layout
Familiarize yourself with the buttons and ports of your MP3 player.

Figure 3.1: Front view showing the navigation and volume controls.

Figure 3.2: Bottom view displaying the headphone jack, USB port, and microSD card slot.

Figure 3.3: Screen displaying music playback interface.
4. Setup
4.1 Charging the Device
Before first use, fully charge your MP3 player. Connect the provided USB cable to the player's USB port and the other end to a computer or a USB power adapter (not included). A full charge takes approximately 2 hours and provides up to 8 hours of playback.

Figure 4.1: The MP3 player features a long-lasting battery, providing up to 8 hours of use on a full charge.
4.2 Inserting a Memory Card
The MP3 player supports microSD cards up to 64GB (card not included). Locate the microSD card slot on the bottom of the device. Gently insert the card with the gold contacts facing down until it clicks into place. To remove, push the card in again until it springs out.

Figure 4.2: The MP3 player supports up to 64GB memory card for extensive music storage.
4.3 Connecting Earphones
Plug the 3.5mm jack of your earphones into the headphone port located at the bottom of the MP3 player.
4.4 Transferring Music
Connect the MP3 player to your computer using the USB cable. The device will appear as a removable disk. Drag and drop your music files (MP3, WMA, FLAC, APE, AAC, OGG, ACELP) into the appropriate folder on the player or inserted memory card. Safely eject the device from your computer before disconnecting the cable.
5. Operating Instructions
5.1 Power On/Off
To power on the device, press and hold the power button (usually located on the side or top) until the screen illuminates. To power off, press and hold the power button again until the screen turns off.
5.2 Basic Navigation
Use the central navigation buttons to move through menus. The "MENU" button typically returns to the previous screen or main menu. The "VOL" buttons adjust the volume. The play/pause button starts or pauses playback, and the skip buttons navigate tracks.
5.3 Playing Music
- From the main menu, select "Music".
- Browse your music by artist, album, or all songs.
- Select a song to begin playback.
- Use the skip buttons to change tracks and the play/pause button to control playback.
- To enable random play, navigate to the playback options within the music menu and select the shuffle icon.

Figure 5.1: The portable MP3 player is suitable for various activities, such as running.
5.4 FM Radio
To access the FM radio, select "FM Radio" from the main menu. Use the navigation buttons to scan for stations or manually tune to a frequency. Earphones must be connected as they act as the antenna.
5.5 Sleep Shutdown
The sleep shutdown feature allows the device to automatically power off after a set period. Access this option in the system settings or playback options menu and set your desired timer.
5.6 Supported Audio Formats
The player supports a wide range of audio formats including MP3, WMA, FLAC, APE, AAC, OGG, and ACELP, ensuring high-quality audio playback.

Figure 5.2: The MP3 player delivers lossless sound quality, supporting various audio formats.
6. Maintenance
6.1 Cleaning
Wipe the device with a soft, dry cloth. Do not use liquid cleaners or solvents, as they may damage the finish or internal components.
6.2 Storage
Store the MP3 player in a cool, dry place away from direct sunlight and extreme temperatures. Avoid dropping the device or exposing it to moisture.
7. Troubleshooting
| Problem | Solution |
|---|---|
| Device does not power on. | Ensure the battery is charged. Connect the player to a power source and try again. |
| No sound from earphones. | Check if earphones are properly plugged in. Verify volume level is not set to zero. Test with different earphones if possible. |
| Cannot transfer files to the device. | Ensure the USB cable is securely connected to both the player and the computer. Try a different USB port or cable. Ensure the device is recognized as a removable disk by your computer. |
| FM Radio not picking up stations. | Ensure earphones are plugged in, as they function as the antenna. Try scanning for stations again in a different location. |
| Device freezes or becomes unresponsive. | Press and hold the power button for an extended period (e.g., 10-15 seconds) to force a restart. If available, use a reset pinhole. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Tangxi |
| Model Name | Mp3 Player |
| Screen Size | 1.8 Inches |
| Display Technology | LCD |
| Memory Storage Capacity | Supports up to 64 GB (card not included) |
| Connectivity Technology | Aux |
| Supported Audio Formats | AAC, APE, FLAC, MP3, OGG, WMA, ACELP |
| Battery Average Life | 8 Hours |
| Charging Time | Approximately 2 hours |
| Special Feature | FM Radio |
| Material | Premium Aluminum Alloy |
9. Warranty and Support
9.1 Manufacturer's Warranty
This product comes with a manufacturer's warranty for 90 days from the date of purchase. Please retain your proof of purchase for warranty claims.
9.2 Customer Support
For technical assistance or further inquiries, please refer to the official Tangxi website or contact their customer service department. Contact information can typically be found on the product packaging or the brand's official online presence.
10. Video Guide
Watch the official product video for a visual guide on using your Tangxi MP3 Player.
Video 10.1: Official Tangxi MP3 Player overview and usage demonstration.