RUIZU 64GB Clip MP3 Player with Bluetooth 5.3 User Manual

1. Product Overview

The RUIZU 64GB Clip MP3 Player is a portable music device designed for active lifestyles. It features Bluetooth 5.3 for wireless audio, a built-in clip for secure attachment, FM radio, voice recording, and supports expandable storage up to 128GB via microSD card. Its compact and lightweight design makes it ideal for sports, travel, and daily use.

Device Layout

Image 1.1: Front, side, and back views of the RUIZU MP3 Player with labels for Power On/Off, Menu, Return, Play/Pause/Enter, Next Track, Previous Track, Scroll Up/Down, Volume +/-, MicroSD Card Slot, USB-C Port, Aux Port, and Clip.

• Power On/Off: Located on the top right.
• Menu Button: Accesses menu options. Long press to lock keys.
• Return Button: Navigates back. Long press to return to home screen.
• Play/Pause/Enter Button: Central button for playback control and selection.
• Next Track / Scroll Up Button: Moves to the next track or scrolls up in menus.
• Previous Track / Scroll Down Button: Moves to the previous track or scrolls down in menus.
• Volume + / - Buttons: Adjusts audio volume, located on the left side.
• MicroSD Card Slot: For expandable storage, located on the left side.
• USB-C Port: For charging and file transfer, located at the bottom.
• Aux Port: 3.5mm audio jack for wired headphones, located at the top left.
• Clip: Located on the back for secure attachment.

2. What's in the Box

Verify that all items are present in the package:

• 1 x RUIZU Clip MP3 Player with Bluetooth 5.3
• 1 x 3.5mm wired stereo headphones
• 1 x USB-C Cable for Charging & File Transfer
• 1 x Waterproof Protective Pouch
• 1 x User Manual (English & Japanese)

Image 2.1: The RUIZU MP3 Player and its included accessories: wired headphones, USB-C cable, protective pouch, and user manual.

3. Setup

3.1 Charging the Device

Before first use, fully charge the MP3 player. Connect the included USB-C cable to the player's USB-C port and the other end to a computer or a USB wall adapter (not included). A full charge takes approximately 1.5 hours and provides up to 24 hours of music playback.

Image 3.1: The MP3 player connected for charging, illustrating its 24-hour battery life and 1.5-hour charging time.

3.2 Transferring Music Files

To transfer music, connect the MP3 player to your computer using the USB-C cable. The device will appear as a removable disk. Drag and drop your music files (MP3, WMA, APE, FLAC, WAV, DRM, ACELP, OGG) directly into the player's storage or organized folders. No special software is required.

Image 3.2: Transferring music files from a computer to the MP3 player, illustrating support for various audio formats and expandable storage.

3.3 Expanding Storage with MicroSD Card

The player has 64GB of built-in storage. If more space is needed, insert a microSD card (up to 128GB, not included) into the microSD card slot on the left side of the device. The player will automatically recognize the additional storage.

3.4 Bluetooth Pairing

The RUIZU MP3 Player supports Bluetooth 5.3 for wireless audio. It is compatible with Bluetooth headphones and speakers ONLY. It does not connect to smartphones or other devices.

1. Turn on your Bluetooth headphones or speaker and set them to pairing mode.
2. On the MP3 player, navigate to the Bluetooth menu.
3. Select "Search for Devices" or similar option.
4. Choose your device from the list to pair.
5. Once paired, the player will auto-reconnect to the last paired device when both are powered on and within range.

Image 3.3: Demonstrating wireless listening with Bluetooth 5.3, emphasizing auto-reconnect functionality for headphones and speakers.

4. Operating Instructions

4.1 Basic Navigation and Controls

The MP3 player features simple physical buttons for intuitive control.

Image 4.1: Clear button layout for easy operation, showing each button's function.

• Power On/Off: Press and hold the Power button on the top right to turn the device on or off.
• Play/Pause/Enter: Press the central button to play or pause music, or to confirm a selection in menus.
• Next/Previous Track: Use the left and right arrow buttons to skip tracks.
• Volume Adjustment: Use the Volume + and - buttons on the left side.
• Menu: Press the Menu button to access options within an application or to return to the main menu.
• Return: Press the Return button to go back to the previous screen. Long press to return to the home screen.
• Screen Lock: Long press the Menu button to lock the keys and prevent accidental presses. Repeat to unlock.

4.2 Music Playback

From the main menu, select "Music" to browse your audio files. You can organize songs by artist, album, or genre. The player supports shuffle play and creating playlists.

Image 4.2: Simple interface for music selection and playback.

• Resume Playback: The player remembers your last playback position, allowing you to continue listening from where you left off.
• Bookmarks: You can set bookmarks within audio files, especially useful for audiobooks or podcasts.

4.3 FM Radio

To use the FM radio, connect wired headphones to the Aux port, as they act as the antenna. Navigate to the "FM Radio" option from the main menu. You can auto-scan for stations or manually tune.

4.4 Voice Recorder

Select "Voice Recorder" from the main menu to start recording audio. Recordings are saved to the device's internal storage.

4.5 Sleep Timer & Auto-Off

The sleep timer allows the player to automatically turn off after a set period, ideal for listening before bed. Access this feature through the settings menu.

Image 4.3: Setting the sleep timer for automatic power-off, useful for bedtime listening.

5. Maintenance

• Cleaning: Use a soft, dry cloth to clean the device. Avoid liquid cleaners.
• Water Exposure: The device is NOT waterproof. Keep it away from water, rain, and excessive sweat to prevent damage.
• Temperature: Avoid exposing the player to extreme temperatures (hot or cold).
• Storage: When not in use for extended periods, store the device in a cool, dry place.
• Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge it regularly.

6. Troubleshooting

6.1 Device Not Turning On

• Ensure the battery is charged. Connect the player to a power source for at least 15 minutes.
• If the device is unresponsive, try performing a reset (refer to the full manual for specific reset instructions if available, or hold the power button for an extended period).

6.2 Cannot Transfer Files

• Check the USB-C cable connection to both the player and the computer.
• Try a different USB port on your computer.
• Ensure the player is recognized as a removable disk by your computer.
• Verify that the file formats are supported (MP3, WMA, APE, FLAC, WAV, DRM, ACELP, OGG).

6.3 Bluetooth Connection Issues

• Ensure your Bluetooth headphones/speaker are in pairing mode.
• Make sure the MP3 player's Bluetooth is enabled.
• Delete previous pairings on both devices and try pairing again.
• Ensure the headphones/speaker are compatible (Bluetooth headphones and speakers ONLY).
• Reduce the distance between the player and the Bluetooth device.

6.4 No Sound

• Check the volume level on the MP3 player and your connected headphones/speaker.
• Ensure headphones are properly plugged into the Aux port if using wired.
• Verify Bluetooth connection if using wireless headphones/speaker.
• Test with different headphones or speakers to rule out accessory issues.

7. Specifications

8. Warranty & Support

For any warranty claims, technical support, or assistance with your RUIZU MP3 Player, please contact our customer support team.

• Email Support: support@ruizutek.com
• Please include your model number (THX52BBlk) and a detailed description of your issue when contacting support.