Introduction
Thank you for choosing the Kuephom PM21 Portable Bluetooth CD Player. This device is designed to provide a versatile audio experience, combining traditional CD playback with modern Bluetooth connectivity. It features built-in stereo speakers, a headphone jack for private listening, USB playback, and both Bluetooth transmitting and receiving capabilities. This manual will guide you through the setup, operation, and maintenance of your new CD player.
Safety Information
- Do not expose the device to extreme temperatures, humidity, or direct sunlight.
- Avoid dropping or subjecting the device to strong impacts.
- Use only the provided charging cable and a compatible 5V power adapter.
- Keep the device away from water and other liquids.
- Do not attempt to disassemble or repair the device yourself. Contact support if issues arise.
- Listen at moderate volume levels to prevent hearing damage.
Package Contents
Please check the package for the following items:
- Kuephom PM21 Portable Bluetooth CD Player
- Wired Earphones
- USB-C Charging Cable
- 3.5mm Audio Cable (AUX Cable)
- Carrying Pouch
- User Manual (this document)
Image: Kuephom PM21 Portable Bluetooth CD Player with wired earphones, USB-C charging cable, 3.5mm audio cable, and carrying pouch.
Product Overview
The Kuephom PM21 features an intuitive layout for easy operation.
Image: Front view of the CD player, highlighting the display, speakers, and control buttons.
Control Buttons:
- K (Previous Track/Rewind): Short press for previous track, long press to rewind.
- II (Play/Pause): Press to play or pause playback.
- (Next Track/Fast Forward): Short press for next track, long press to fast forward.
- REP/EQ: Press to cycle through repeat modes (Repeat 1, Repeat All) and Equalizer (EQ) modes (ROC, POP, JAZ, CLA, FLT).
- MODE: Switches between CD, USB, and Bluetooth modes.
- TRANSMIT: Activates Bluetooth transmitting mode for pairing with external Bluetooth devices.
- VOL- / VOL+: Adjusts the volume level.
Ports and Switches:
- ON/OFF Switch: Powers the device on or off.
- DC 5V (Type-C) Port: For charging the device.
- USB Port: For playing audio from a USB flash drive.
- 3.5mm Headphone Jack: For connecting wired headphones or an AUX cable.
Image: Supported media types including CD, MP3, Audio Books, USB-Stick, CD-RW, and Bluetooth.
Image: Close-up of the CD player display, illustrating available EQ modes: ROC, POP, JAZ, CLA, FLT.
Setup
Charging the Device:
The Kuephom PM21 has a built-in rechargeable battery. Before first use, fully charge the device.
- Connect the provided USB-C charging cable to the DC 5V port on the CD player.
- Connect the other end of the USB-C cable to a compatible 5V USB power source (e.g., wall charger, car charger, power bank, or computer USB port). Note: Chargers are not included.
- The charging indicator will illuminate. Once fully charged, the indicator may change color or turn off depending on the unit.
A full charge provides approximately 5-8 hours of playback time. To preserve battery life, turn off the CD player when not in use.
Image: Various charging methods for the portable CD player, including wall charger, car charger, power bank, and computer.
Operating Instructions
1. Power On/Off
Slide the ON/OFF switch on the side of the player to turn it on or off.
2. CD Playback
- Open the CD compartment cover.
- Carefully place a CD (CD, CD-R, CD-RW) onto the spindle, label side up.
- Close the CD compartment cover securely.
- If the player is not already in CD mode, press the MODE button until 'CD' is displayed.
- The CD will begin playing automatically. If not, press the II (Play/Pause) button.
- Use K and buttons to skip tracks. Long press to fast forward/rewind.
- Adjust volume with VOL- and VOL+ buttons.
- Press REP/EQ to cycle through repeat modes (e.g., repeat one track, repeat all tracks) and equalizer presets (ROC, POP, JAZ, CLA, FLT).
The player features a play memory function, resuming playback from where it left off.
3. USB Playback
- Insert a USB flash drive containing MP3 or other compatible audio files into the USB port.
- Press the MODE button until 'USB' is displayed.
- The player will automatically detect and begin playing audio files from the USB drive.
- Use playback controls (K, II, , VOL-, VOL+) as with CD playback.
Image: The CD player with a USB stick inserted, demonstrating its USB player functionality.
4. Bluetooth Transmitting (Connecting to Bluetooth Speakers/Earbuds)
- Ensure the CD player is playing audio (from CD or USB).
- Place your Bluetooth speaker or earbuds into pairing mode.
- Press the TRANSMIT button on the CD player. The Bluetooth indicator will flash.
- The CD player will search for and connect to nearby Bluetooth devices. Once connected, the indicator will become solid.
- Audio from the CD player will now be transmitted to your paired Bluetooth device.
5. Bluetooth Receiving (Connecting to Mobile/Tablet)
- Press the MODE button until 'BT' (Bluetooth) is displayed. The Bluetooth indicator will flash, indicating it's in receiving/pairing mode.
- On your mobile phone or tablet, enable Bluetooth and search for available devices.
- Select 'Kuephom PM21' (or similar name) from the list of devices to pair.
- Once connected, the Bluetooth indicator on the CD player will become solid.
- You can now stream audio from your mobile device to the CD player's built-in speakers.
Image: Diagram illustrating how the CD player can receive audio wirelessly from devices like tablets and mobile phones, and transmit audio to Bluetooth speakers or earbuds.
6. Connecting to Car Audio System (via AUX Cable)
If your car has an AUX-in port, you can connect the CD player to your car's audio system.
- Connect one end of the provided 3.5mm audio cable to the headphone jack on the portable CD player.
- Connect the other end of the 3.5mm audio cable to the AUX-in port in your car.
- Set your car's audio system to AUX mode.
- Start playing audio on the CD player.
- Adjust the volume on both the CD player and your car's audio system to a comfortable level.
Note:
- Your car must have an AUX-in port.
- The USB port on the CD player is for USB stick playback only and cannot be used for audio output to a car system.
- The anti-shock protection feature will help prevent skipping during car travel.
Image: Detailed steps for connecting the portable CD player to a car's audio system using the 3.5mm AUX cable.
7. Using Headphones
Plug the provided wired earphones (or any standard 3.5mm headphones) into the headphone jack for private listening.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the player. For the CD lens, use a specialized CD lens cleaning kit. Do not use abrasive cleaners or solvents.
- Storage: Store the player in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: For optimal battery life, avoid fully discharging the battery frequently. Charge the device regularly, even if not in use for extended periods.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Player does not turn on. | Ensure the ON/OFF switch is in the 'ON' position. Charge the battery fully. |
| No sound from speakers/headphones. | Increase volume on the player. Check headphone connection. If using Bluetooth, ensure proper pairing and volume on the connected device. |
| CD skipping or not playing. | Ensure the CD is clean and free of scratches. Make sure the CD is inserted correctly. Close the CD compartment securely. |
| Bluetooth pairing fails. | Ensure both devices are in pairing mode and within range. Turn off and on Bluetooth on both devices and try again. |
| USB drive not recognized. | Ensure the USB drive is formatted correctly (FAT32 recommended) and contains compatible audio files (MP3). |
Specifications
| Feature | Detail |
|---|---|
| Brand Name | Kuephom |
| Model Number | PM21 |
| Origin | Mainland China |
| Certification | CE, FCC |
| Supported Disc Formats | CD, CD-R, CD-RW |
| Supported USB Audio Formats | MP3, Audio Books |
| Bluetooth | Transmitting & Receiving |
| Speakers | Built-in Dual Stereo Speakers |
| Headphone Jack | 3.5mm |
| Charging Port | USB Type-C (DC 5V) |
| Battery Life | Approx. 5-8 hours (depending on usage) |
| Anti-Shock Protection | Yes |
| Play Memory Function | Yes |
User Tips
- To maximize battery life, always turn off the CD player using the ON/OFF switch when not actively listening.
- When connecting to a car, ensure the car's AUX input is selected and adjust volume levels on both the player and the car stereo for optimal sound.
- Experiment with the different EQ modes (ROC, POP, JAZ, CLA, FLT) to find the sound profile that best suits your music genre.
Warranty and Support
Your Kuephom PM21 Portable Bluetooth CD Player comes with a standard manufacturer's warranty. For any issues, questions, or support needs, please contact the seller or manufacturer directly through your purchase platform. Please have your model number (PM21) and purchase details ready when contacting support.
