Introduction
Thank you for choosing the Arafuna CD Player Bluetooth Portable, Model CD525B. This device is designed to provide a versatile audio experience, combining traditional CD playback with modern Bluetooth connectivity and portability. Please read this manual carefully to understand the features and proper operation of your new CD player.
What's in the Box
Upon unpacking, please ensure all items listed below are present:
- ARAFUNA CD Player (Model CD525B)
- Headphones
- USB Type-C Charging Cable
- AUX Cable
- User Manual

Image: Contents of the Arafuna CD Player package. This includes the CD player unit, a pair of headphones, a USB Type-C charging cable, an AUX cable, and the user manual.
Product Overview
Familiarize yourself with the various parts and controls of your CD player.
Controls and Ports
- Display Screen: Shows track information, playback mode, battery status, and other indicators.
- Control Buttons: Play/Pause, Stop, Skip Forward/Backward, Mode, Program (PROG), Volume Up/Down.
- BT TX Button: Initiates Bluetooth transmission to external devices.
- MODE Button: Switches between different playback modes (CD, Bluetooth RX, TF Card, FM).
- TF Card Slot: For inserting a TF (MicroSD) card (supports up to 32GB, FAT32 format).
- AUX Input/Output: 3.5mm jack for connecting external audio sources or outputting audio.
- Headphone Jacks (x2): Two 3.5mm jacks for simultaneous listening with two pairs of headphones.
- USB Type-C Port: For charging the device.
- HOLD Switch: Locks all buttons to prevent accidental operation.
- Integrated Speaker: For direct audio playback without external devices.

Image: A close-up view of the Arafuna CD Player, highlighting its digital display and various control buttons for playback and mode selection.
Setup
Charging the Battery
The CD player is equipped with a built-in rechargeable battery, offering approximately 6 hours of playback on a full charge. Before first use, fully charge the device.
- Connect the supplied USB Type-C cable to the charging port on the CD player.
- Connect the other end of the USB cable to a USB power adapter (not included) or a computer's USB port.
- The charging indicator light will illuminate (e.g., red) during charging and change color (e.g., green or off) when fully charged.

Image: The Arafuna CD Player connected to a charging cable, illustrating the charging process with visual indicators for charge status (red for charging, green for full).
Inserting a CD
- Gently open the CD compartment cover.
- Place the CD with the label side facing up onto the center spindle.
- Press down gently until the CD clicks into place.
- Close the CD compartment cover securely.
Inserting a TF Card
- Locate the TF card slot on the side of the player.
- Insert the TF card (MicroSD card) with the metal contacts facing down until it clicks into place.
- Ensure the card is formatted to FAT32 and has a maximum capacity of 32GB.

Image: A close-up of the Arafuna CD Player highlighting the TF-Karten Eingang (TF Card Input) slot, indicating where to insert a MicroSD card.
Operating Instructions
Power On/Off
- To power on, slide the power switch to the 'ON' position.
- To power off, slide the power switch to the 'OFF' position.
- The device features an automatic shutdown function to save battery.

Image: The Arafuna CD Player next to a sleeping person, with musical notes, illustrating the 'Automatische Abschaltung' (Automatic Shutdown) feature, likely a sleep timer.
CD Playback
The player supports CD, CD-R, MP3, and HDCD formats.
- Insert a CD as described in the Setup section.
- Press the 'MODE' button until 'CD' mode is selected (if not already).
- Press the 'Play/Pause' button to start playback.
- Use the 'Skip Forward/Backward' buttons to navigate tracks.
- Adjust volume using the 'Volume Up/Down' buttons.
Bluetooth Connectivity
The device supports both Bluetooth transmission (BT TX) and reception (BT RX).
Bluetooth Transmission (BT TX)
To connect to Bluetooth headphones or speakers:
- Ensure your Bluetooth receiving device (headphones/speaker) is in pairing mode.
- On the CD player, press the 'BT TX' button. The Bluetooth indicator will flash.
- The CD player will automatically search for and connect to nearby Bluetooth devices.
- Once connected, the indicator will stop flashing, and audio will transmit wirelessly.

Image: The Arafuna CD Player wirelessly transmitting audio via Bluetooth to an external speaker and a pair of earbuds, demonstrating its Bluetooth TX function.
Bluetooth Reception (BT RX)
To connect your phone or computer to the CD player's speaker:
- Press the 'MODE' button until 'BT RX' mode is selected. The Bluetooth indicator will flash.
- On your external device (phone/computer), search for Bluetooth devices and select 'ARAFUNA CD Player'.
- Once paired, the indicator will stop flashing, and audio from your external device will play through the CD player's speaker.

Image: The Arafuna CD Player displaying its screen with Bluetooth icons, indicating it is ready to receive audio from a paired device like a smartphone or computer.
TF Card Playback
- Insert a TF card with MP3 files (max 32GB, FAT32 format).
- Press the 'MODE' button until 'TF' mode is selected.
- The player will automatically start playing music from the TF card.
- Use playback controls as with CD mode.
FM Transmitter Function
This feature allows you to transmit audio from the CD player to your car radio or any FM receiver.
- Press the 'MODE' button until 'FM' mode is selected.
- The display will show an FM frequency.
- Tune your car radio or FM receiver to the same frequency displayed on the CD player.
- Audio from the CD player will now play through your FM receiver.
AUX Connection
The AUX port can be used for both input and output.
AUX Output (to external speaker/headphones)
- Connect one end of the AUX cable to the AUX port on the CD player.
- Connect the other end to the AUX input of an external speaker or amplifier.
- Audio will be routed through the connected device.
AUX Input (from external audio source)
- Connect one end of the AUX cable to the AUX port on the CD player.
- Connect the other end to the headphone jack or AUX output of an external audio source (e.g., smartphone, MP3 player).
- Press the 'MODE' button until 'AUX IN' mode is selected.
- Audio from the external source will play through the CD player's speaker.

Image: A split image showing the Arafuna CD Player in a car. On the left, it demonstrates FM transmission to the car radio. On the right, it shows the player connected via an AUX cable to the car's audio system.
Playback Modes and Sound Effects
The player offers 7 playback modes and 7 sound effects for a customized listening experience.
- Playback Modes: Normal, Repeat One, Repeat All, Intro (plays first 10 seconds of each track), Random, Program Play (PROG), Memory Play (resumes from last played point).
- Sound Effects (EQ): BBS, POP, ROCK, JAZZ, CLASSIC, COV, NOR (Normal).
Use the 'MODE' or dedicated EQ button (if available) to cycle through these options.

Image: The Arafuna CD Player displaying its screen with icons representing different playback modes (e.g., repeat, shuffle) and sound effects (e.g., Pop, Rock, Jazz).

Image: A close-up of the Arafuna CD Player's display, showing programming functions and menu options, indicating the ability to customize track order.
Key Lock (HOLD Function)
To prevent accidental button presses, use the HOLD switch.
- Slide the 'HOLD' switch to the 'ON' position to lock all control buttons.
- Slide the 'HOLD' switch to the 'OFF' position to unlock the buttons.

Image: The Arafuna CD Player with a visual representation of the 'HOLD' switch, showing it in the 'ON' position to lock the device's buttons.
Dual Headphone Jacks
The player features two 3.5mm headphone jacks, allowing two users to listen simultaneously.
- Simply plug two pairs of 3.5mm headphones into the designated jacks.

Image: A woman and a child sharing the Arafuna CD Player, each wearing headphones connected to the device's dual headphone jacks, illustrating shared listening.
Maintenance
Proper maintenance ensures the longevity and optimal performance of your CD player.
- Cleaning: Use a soft, dry cloth to clean the exterior of the player. For the lens, use a specialized CD lens cleaner. Do not use abrasive cleaners or solvents.
- Storage: Store the player in a cool, dry place away from direct sunlight, extreme temperatures, and humidity.
- Handling CDs: Always hold CDs by their edges. Avoid touching the playing surface. Store CDs in their cases when not in use.
- Battery Care: For optimal battery life, avoid fully discharging the battery frequently. If storing for a long period, charge the battery to about 50% every few months.
Troubleshooting
If you encounter issues, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Player does not power on. | Battery is depleted; Power switch is OFF; HOLD switch is ON. | Charge the battery; Slide power switch to ON; Slide HOLD switch to OFF. |
| No sound during CD playback. | Volume is too low; Headphones/speakers not connected properly; CD is dirty/scratched; Incorrect mode selected. | Increase volume; Check connections; Clean/replace CD; Ensure 'CD' mode is selected. |
| Bluetooth device cannot connect. | CD player not in pairing mode; Device too far; Interference. | Ensure 'BT TX' or 'BT RX' mode is active and flashing; Move devices closer; Reduce interference. |
| TF card not recognized. | Card not inserted correctly; Incorrect format; Card capacity too large. | Reinsert card; Ensure FAT32 format; Use card <= 32GB. |
| Skipping or distorted audio. | CD is dirty/scratched; Player is subject to strong vibrations; Low battery. | Clean/replace CD; Place player on a stable surface; Charge battery. |
Specifications
- Brand: Arafuna
- Model Name: Arafuna CD Player Bluetooth
- Model Number: CD525B
- Color: Black with silver accents
- Connectivity Technology: Bluetooth
- Special Features: Bluetooth (TX/RX), Portable, Rechargeable, FM Transmitter, Integrated Speaker
- Included Components: CD Player, Headphones, USB Type-C Cable, AUX Cable
- Number of Discs Supported: 1
- Supported Audio Formats: CD, MP3, WMA, WAV, AAC, ALAC
- Media Format Type: Audio CD
- Connector Type: 3.5 mm Jack (AUX, Headphone)
- Number of Channels: 2
- Compatible Devices: Headphones, External Speakers, Smartphones, Computers, Car Radios (via FM/AUX)
- Battery: 1 Lithium-ion (integrated)
- Battery Life: Approximately 6 hours (playback)
- TF Card Support: Up to 32GB, FAT32 format
- Item Dimensions (L x W x H): 14 x 14 x 2.6 cm
- Manufacturer: Arafuna
Warranty and Support
ARAFUNA is committed to providing quality products and customer satisfaction. While specific warranty details are not provided in this manual, our customer service team is available to assist you with any questions or issues you may encounter.
For support, please refer to the contact information provided with your purchase or visit the official Arafuna website.




