1. Introduction
This manual provides detailed instructions for the RUIZU X52 8GB MP3 Player. Please read this manual carefully before using the device to ensure proper operation and to maximize your user experience. Keep this manual for future reference.
2. Product Overview
The RUIZU X52 is a compact and versatile MP3 player designed for music enthusiasts. It features 8GB of internal storage, Bluetooth 5.0 connectivity, an FM radio, voice recorder, video playback, and a pedometer function. It supports Micro SD cards up to 128GB for expanded storage.
2.1. What's in the Box
- RUIZU X52 MP3 Player
- Earphones
- USB Cable
- Audio Line
- User Manual
- Protection Bag

Image: Contents of the RUIZU X52 MP3 Player box, showing the player, earphones, USB cable, audio cable, user manual, and a protection bag.
2.2. Key Features
- Bluetooth 5.0: For stable and fast wireless connection to headphones or speakers.
- 8GB Internal Storage: Store thousands of songs directly on the device.
- Expandable Memory: Supports Micro SD cards up to 128GB.
- Multi-functional: Includes Music, Recording, FM Radio, Bluetooth, Video, E-Book, Stopwatch, Pedometer, A-B Repeat, Resume Playback, Lyrics Synchronization, and Time Screensaver.
- Portable Clip Design: Easily attach the player to clothing for hands-free use during activities like running.
- 1.5-inch TFT Color Screen: Clear display for navigation and content viewing.

Image: The RUIZU X52 MP3 Player showcasing its various functions such as music, recording, FM radio, Bluetooth, video, and e-book capabilities.
Video: A short preview highlighting the key features of the RUIZU X52 MP3 Player, including its compact design, Bluetooth connectivity, and various functions.
3. Setup
3.1. Initial Charging
Before first use, fully charge the MP3 player. Connect the device to a computer's USB port or a USB wall adapter (not included) using the provided USB cable. The battery indicator on the screen will show charging status. A full charge takes approximately 1.5 hours.
3.2. Inserting a Micro SD Card
The RUIZU X52 supports Micro SD cards up to 128GB for additional storage. Locate the Micro SD card slot on the side of the player. 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.

Image: The RUIZU X52 MP3 Player with a Micro SD card partially inserted, illustrating the expandable memory feature.
3.3. Connecting to a Computer for File Transfer
Connect the MP3 player to your computer using the supplied USB cable. The device will appear as a removable disk. You can then drag and drop music, video, e-book, or other compatible files into the player's internal storage or the inserted Micro SD card.

Image: The MP3 player connected to a laptop, demonstrating the ease of file transfer.
4. Basic Operation
4.1. Power On/Off
- To Power On: Press and hold the power button (usually on the side or top) until the screen lights up.
- To Power Off: Press and hold the power button until the 'Power Off' option appears, then confirm. Alternatively, some models may power off by holding the button for a longer duration.
4.2. Navigation
Use the physical buttons on the device to navigate through menus and control playback:
- Menu Button: Typically represented by three horizontal lines, used to access the main menu or options within an application.
- Play/Pause Button: Central button for playing and pausing media.
- Previous/Next Buttons: Used to skip tracks or navigate through menu items.
- Volume Buttons: Usually located on the side, marked with '+' and '-' for adjusting volume.
- Back Button: Often a curved arrow, used to return to the previous screen or menu.
5. Music Playback
5.1. Adding Music
Transfer music files (MP3, FLAC, etc.) from your computer to the 'Music' folder on the player's internal storage or Micro SD card as described in Section 3.3.
5.2. Playing Music
- From the main menu, select 'Music'.
- Browse by Artist, Album, Genre, or All Songs.
- Select a song to begin playback.
5.3. Playback Controls
- Play/Pause: Press the central Play/Pause button.
- Next Track: Press the 'Next' button.
- Previous Track: Press the 'Previous' button.
- Volume Adjustment: Use the '+' and '-' buttons on the side.
- A-B Repeat: During playback, press the Menu button to find the A-B repeat option. Set point A, then set point B to loop a specific section of a song.
5.4. Car Connection
You can connect the RUIZU X52 to your car's audio system using the provided audio cable (AUX cable). Plug one end into the player's headphone jack and the other into your car's AUX input. Select AUX input on your car stereo to enjoy music.

Image: The MP3 player connected to a car's audio system, allowing for in-car music playback.
6. Bluetooth Connectivity
The RUIZU X52 features Bluetooth 5.0 for wireless audio streaming.
6.1. Pairing with Bluetooth Devices
- Ensure your Bluetooth headphones or speaker are in pairing mode.
- On the MP3 player, navigate to the 'Bluetooth' menu.
- Turn Bluetooth 'On' and select 'Search for Device'.
- Select your device from the list of available devices to pair. Once paired, the player will connect automatically in the future if Bluetooth is enabled on both devices.

Image: The MP3 player demonstrating its Bluetooth 5.0 connectivity with various audio devices like headphones, speakers, and earbuds.
7. FM Radio
The RUIZU X52 includes an FM radio function.
7.1. Using the FM Radio
- Plug in the wired earphones; they act as the antenna for the FM radio.
- From the main menu, select 'FM Radio'.
- Use the navigation buttons to scan for stations or manually tune to a frequency.
- You can save your favorite stations for quick access.

Image: A user enjoying the FM radio feature on the RUIZU X52 MP3 Player, showing the frequency display.
8. Voice Recorder
The device can record audio.
8.1. How to Record
- From the main menu, select 'Recording'.
- Choose 'Start Voice Recording'.
- Press the Play/Pause button to start and stop recording.
- Recordings are saved automatically and can be accessed from the 'Recording' menu.
9. Video Playback
The RUIZU X52 supports video playback.
9.1. Playing Videos
- Ensure video files are in a compatible format (refer to specifications for supported formats, typically AMV or AVI after conversion).
- Transfer video files to the 'Video' folder on the player.
- From the main menu, select 'Video'.
- Select a video file to begin playback.
10. E-Book Function
Read text files on your device.
10.1. Reading E-Books
- Transfer TXT format e-book files to the 'E-Book' folder on the player.
- From the main menu, select 'E-Book'.
- Select a file to open and read. Use navigation buttons to scroll through pages.
11. Pedometer
Track your steps and activity.
11.1. Using the Pedometer
- From the main menu, select 'Pedometer'.
- Start the pedometer function. The device will begin tracking your steps, distance, and calories burned.
- Ensure the player is securely clipped to your clothing or worn on an armband for accurate tracking.

Image: The RUIZU X52 MP3 Player shown with its portable clip, ideal for use during running or other physical activities.
12. Charging and Battery Life
The RUIZU X52 is equipped with a rechargeable battery.
12.1. Charging
Connect the player to a USB power source using the provided USB cable. A full charge takes approximately 1.5 hours.
12.2. Battery Life
Expected battery life varies depending on usage:
- Music (Bluetooth): Approximately 6 hours
- Video Playback: Approximately 6 hours
- FM Radio: Approximately 8 hours
- Music (Wired Earphones): Approximately 25 hours
- Recording: Approximately 26 hours

Image: Battery life estimates for various functions of the RUIZU X52 MP3 Player.
13. Maintenance
- Keep the device dry. Avoid exposure to moisture or liquids.
- Clean the screen and body with a soft, dry cloth. Do not use abrasive cleaners.
- Avoid extreme temperatures.
- Do not drop or subject the device to strong impacts.
- Store the player in a cool, dry place when not in use.
14. Troubleshooting
If you encounter issues with your RUIZU X52 MP3 Player, please refer to the following common solutions:
- Device not turning on: Ensure the battery is charged. Connect to a power source and try again.
- Cannot transfer files: Check the USB cable connection. Ensure the player is properly recognized by your computer. Try a different USB port or cable.
- Bluetooth pairing issues: Ensure both devices are in pairing mode and within range. Turn Bluetooth off and on again on both devices.
- No sound: Check volume levels. Ensure earphones are properly connected or Bluetooth device is paired and connected. Test with different earphones.
- Screen frozen: Press and hold the power button for about 10-15 seconds to force a restart.
- Files not playing: Verify that the files are in a supported format. Corrupted files may not play.
If problems persist, contact customer support.
15. Specifications
| Feature | Specification |
|---|---|
| Brand | RUIZU |
| Model Name | X52 |
| Connectivity Technology | Bluetooth 5.0 |
| Memory Storage Capacity | 8 GB (Internal) |
| Expandable Memory | Up to 128GB (Micro SD, SD Card) |
| Screen Size | 1.5 Inches |
| Special Features | FM Radio, Voice Recorder, Video Playback, E-Book, Pedometer |
| Supported Standards | MP3 (and other lossless formats) |
| Item Weight | 24 Grams |
| Color | Black |
16. Warranty and Support
16.1. Warranty Information
The RUIZU X52 MP3 Player comes with a 1 Year Manufacturer Warranty from the date of purchase.
16.2. Customer Support
For any queries, technical assistance, or warranty claims, please contact:
Origin Marketing Pvt Ltd
Contact: 9870294946
Email: service@originmarketing.in





