Product Overview
The Gueray B-03 is a versatile portable CD player designed for various audio playback needs. It features CD, FM radio, and AUX input capabilities, making it suitable for music enjoyment, language learning, and more. Its compact design and dual power options ensure convenience for both indoor and outdoor use.

Figure 1: Front view of the Gueray B-03 CD Player highlighting its multi-functionality.
Package Contents
Please check that all items are present in the package:
- Gueray B-03 Portable CD Player
- Type-C Power Cable (AC adapter not included)
- User Manual
Setup
Power Supply
The Gueray B-03 CD player offers two power options:
- Type-C Power Cable: Connect the included Type-C cable to the player and a compatible USB power adapter (sold separately) or a USB port.
- Battery Power: For portable use, insert four (4) D-cell batteries (sold separately) into the battery compartment located on the bottom of the unit. Ensure correct polarity.

Figure 2: Illustration of the two power modes: Type-C cable connection and D-cell battery insertion.
Initial Power On
After connecting the power source, press the Power button to turn on the device. The LCD display will illuminate.
Operating Instructions
The Gueray B-03 features large, easy-to-understand physical buttons and a clear LCD display for simple operation.

Figure 3: The control panel with clearly labeled buttons and an LCD display for easy navigation.
CD Playback
- Open the CD compartment lid.
- Place a CD (CD, CD-R, CD-RW, or MP3 format) onto the spindle, label side up.
- Close the CD compartment lid securely.
- Press the MODE button to select CD mode.
- Press the Play/Pause button to start playback.
- Use the Previous/Next buttons to skip tracks.
- Use the Volume +/- buttons to adjust the volume.
PROG (Program) Playback
The PROG function allows you to program a specific order of tracks for CD playback.
- In CD stop mode, press the PROG button.
- Use the Previous/Next buttons to select your desired track.
- Press PROG again to confirm the track and move to the next program slot.
- Repeat until all desired tracks are programmed.
- Press Play/Pause to start programmed playback.

Figure 4: The PROG playback feature allows for customized track order, ideal for focused listening or language study.
FM Radio Operation
The unit supports FM radio reception (76.0MHz to 108.0MHz).
- Press the MODE button to select FM radio mode.
- Press and hold the Play/Pause button to auto-scan and save available FM stations.
- Use the Previous/Next buttons to navigate through saved stations.
- Extend the antenna for better reception.

Figure 5: The FM radio function allows access to a wide range of broadcasts, including music and news.
AUX Audio Input
Connect external audio devices like smartphones or computers using the AUX input.
- Connect a 3.5mm audio cable (not included) from your external device's audio output to the AUX input port on the CD player.
- Press the MODE button to select AUX mode.
- Control playback and volume from your connected external device.

Figure 6: The AUX input allows you to connect external audio sources, expanding your listening options.
Headphone Use
For private listening, connect 3.5mm headphones (not included) to the headphone jack on the unit.

Figure 7: The 3.5mm headphone jack enables private listening, perfect for focused study or personal enjoyment.
Maintenance
Cleaning
- Wipe the unit with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- For the CD lens, use a specialized CD lens cleaner disc.
Storage
Store the CD player in a cool, dry place away from direct sunlight and extreme temperatures when not in use for extended periods. Remove batteries if storing for a long time to prevent leakage.
Troubleshooting
If you encounter issues with your Gueray B-03 CD player, please refer to the following common solutions:
- No Power: Ensure the Type-C power cable is securely connected or that fresh D-cell batteries are correctly inserted.
- CD Not Playing/Skipping: Check if the CD is clean and free of scratches. Ensure the CD is placed correctly in the compartment. Try a different CD.
- No Sound: Check the volume level on the unit and any connected external devices. Ensure headphones are fully plugged in if used. Verify the correct mode (CD, FM, AUX) is selected.
- Poor FM Reception: Extend the antenna fully and try repositioning the unit for better signal.
- AUX Input Not Working: Ensure the 3.5mm audio cable is securely connected to both the player and the external device. Verify the external device's volume and playback.
If problems persist, please contact customer support.
Specifications
| Feature | Specification |
|---|---|
| Brand | Gueray |
| Model | B-03 |
| Color | Black |
| Connectivity Technology | AUX |
| Power Source | Type-C (Corded Electric), 4 x D-cell batteries (sold separately) |
| Supported Disc Formats | CD, CD-R, CD-RW, MP3 |
| Audio Output Mode | Stereo |
| FM Frequency Range | 76.0MHz ~ 108.0MHz |
| Included Speakers | 2 (Built-in) |
| Headphone Jack | 3.5mm |
| Included Items | CD Player, User Manual, Type-C Power Cable |
Warranty and Support
The Gueray B-03 Portable CD Player comes with a 1-year manufacturer's warranty from the date of purchase.
For technical support, warranty claims, or any questions regarding your product, please contact Gueray customer service through the retailer where you purchased the product or visit the official Gueray website for contact information.





