Important Safety Instructions
Please read and understand all safety instructions before using this product. Keep this manual for future reference.
- Do not expose the device to extreme temperatures, direct sunlight, or high humidity.
- Avoid dropping or subjecting the device to strong impacts.
- Do not attempt to disassemble or modify the device. This will void the warranty.
- Use only the provided charging cable and a compatible power adapter (5V/1A recommended).
- Keep the device away from water or other liquids.
- Clean the device with a soft, dry cloth. Do not use abrasive cleaners.
- Prolonged listening at high volume levels may cause hearing damage.
Package Contents
Verify that all items are present in the package:
- Kuephom Portable CD Player (PM20) x 1
- Earbuds x 1
- Audio Cable (AUX) x 1
- USB-C Charging Cable x 1
- Pouch x 1

The image above displays the main unit of the Kuephom Portable CD Player along with its standard accessories: a pair of earbuds for personal listening, a USB-C charging cable for power, an AUX audio cable for connecting to external devices, and a protective pouch for portability.
Product Overview
Front/Top View and Controls

The top surface of the CD player features a digital display, integrated stereo speakers, and a control panel. The control panel includes buttons for MODE, Play/Pause, Stop, Previous Track, Next Track, EQ (Equalizer), VOL- (Volume Down), VOL+ (Volume Up), and REP/PROG (Repeat/Program). These backlit buttons ensure visibility in low-light conditions.

This image illustrates the player's backlit buttons, which illuminate to provide clear visibility and ease of use, especially in dimly lit environments. A user is shown wearing headphones, indicating the private listening option.
Side View and Ports
- ON/OFF Switch: Located on the side to power the device on or off.
- USB-C Port: For charging the internal battery.
- 3.5mm AUX Output: For connecting headphones or external speakers.
- USB Input: For playing MP3/WMA files from a USB drive (up to 32GB).
- CD Compartment Latch: Located on the bottom for opening the CD tray.
Setup
Charging the Battery
The CD player features a built-in 1500mAh rechargeable battery, providing 5-8 hours of playback on a full charge. It takes approximately 4 hours to fully charge.
- Connect the included USB-C charging cable to the USB-C port on the side of the CD player.
- Connect the other end of the USB-C cable to a compatible USB power source (e.g., phone charger, power bank, car charger, or computer USB port).
- The battery indicator on the display will show charging status. It will indicate full when charging is complete.

This diagram illustrates the flexibility of charging the CD player using its Type-C port. It can be connected to various USB power sources, including standard wall chargers, power banks, and car chargers, making it convenient for use at home or on the go.
Connecting Headphones or External Speakers
For private listening or connecting to external audio systems, use the 3.5mm AUX output.
- Headphones: Plug the included earbuds or your preferred 3.5mm headphones into the AUX output jack.
- External Speakers: Connect one end of the included AUX audio cable to the player's AUX output and the other end to the AUX input of your external speakers.
Operating Instructions
Powering On/Off
- To power on, slide the ON/OFF switch to the 'ON' position. The display will light up.
- To power off, slide the ON/OFF switch to the 'OFF' position.
Inserting a CD
The CD compartment is located on the bottom of the player.
- Ensure the player is powered off or paused.
- Locate the 'OPEN' latch on the bottom of the player and slide it to open the CD compartment.
- Carefully place the CD into the tray with the label side facing up.
- Close the CD compartment firmly until it clicks.
Basic Playback
- Play/Pause (►▮▮): Press to start or pause playback.
- Stop (■): Press to stop playback.
- Previous Track (◀◀): Press once to restart the current track. Press twice quickly to go to the previous track.
- Next Track (►►): Press to skip to the next track.
- Volume Up (VOL+): Press to increase the volume.
- Volume Down (VOL-): Press to decrease the volume.
Mode Selection (CD/USB)
Press the MODE button to switch between CD playback and USB playback (if a USB drive is inserted).
Equalizer (EQ) Settings
Press the EQ button repeatedly to cycle through different sound effect modes: Normal, Pop, Jazz, Rock, Classic, Flat.
Repeat and Program Functions
Press the REP/PROG button to access repeat and program functions:
- Repeat One: Repeats the current track.
- Repeat All: Repeats all tracks on the disc/USB.
- Shuffle Play: Plays tracks in a random order.
- Program Play: Allows you to create a custom playback order for up to 20 tracks.
Multi-Format Playback & USB Support
This player supports various audio formats and media types:
- CD: Standard audio CDs.
- CD-R: Recordable CDs.
- MP3/WMA Discs: CDs containing MP3 or WMA audio files.
- USB Drive: Supports MP3/WMA files from USB drives up to 32GB. Insert the USB drive into the dedicated USB port.

This graphic illustrates the player's versatility, supporting standard CDs, CD-R, and discs containing MP3/WMA files. It also highlights USB playback for MP3/WMA files and the options for listening via included earbuds, external speakers, or the built-in speakers.
Anti-Shock Protection
The player is equipped with anti-shock protection to ensure uninterrupted audio playback during movement. This feature helps prevent skips when the device is subjected to minor bumps or vibrations.

This image depicts a user jogging while listening to the CD player, demonstrating the effectiveness of its anti-skip protection feature, which maintains continuous audio playback even during movement.
Using in a Car via AUX
To play CDs through your car's audio system:
- Connect one end of the included AUX audio cable to the CD player's AUX output.
- Connect the other end of the AUX cable to your car's AUX input jack.
- Set your car's audio system to AUX mode.
- Adjust the volume on both the CD player and your car's audio system for optimal sound.

This visual guide illustrates the process of connecting the portable CD player to a car's audio system using an AUX cable. It shows plugging the cable into the player, then into the car's AUX jack, selecting AUX mode on the car's system, and finally adjusting the volume.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the player. For the laser lens, use a specialized CD lens cleaner.
- Storage: When not in use, store the player in a cool, dry place, away from direct sunlight and dust. Use the provided pouch for protection.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the device regularly, even if not in active use.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Player does not turn on. | Battery is depleted. | Charge the player using the USB-C cable. |
| CD skips or stops playing. | CD is dirty, scratched, or inserted incorrectly. Player is subjected to excessive movement. | Clean the CD, check for scratches, reinsert correctly. Ensure player is on a stable surface or utilize anti-shock feature. |
| "NOD" (No Disc) message on display. | No CD inserted or CD is unreadable/damaged. | Insert a CD. Try a different CD. Clean the CD. |
| No sound from headphones/speakers. | Headphones/speakers not connected properly. Volume too low. AUX mode not selected (for car). | Check connections. Increase volume on player and connected device. Ensure car is in AUX mode. |
| USB drive not recognized. | USB drive not formatted correctly or unsupported file type. Drive capacity exceeds 32GB. | Ensure USB drive is formatted to FAT32 and contains MP3/WMA files. Use a USB drive 32GB or smaller. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | PM20 |
| Product Dimensions | 5.75 x 5.75 x 1.18 inches |
| Item Weight | 1.1 pounds |
| Battery | 1500mAh Rechargeable (Nonstandard Battery) |
| Playback Time | 5-8 hours (approx.) |
| Charging Time | 4 hours (approx.) |
| Connectivity | Auxiliary (3.5mm jack), USB-C (charging), USB-A (data) |
| Supported Formats | CD, CD-R, MP3, WMA (from CD or USB) |
| Special Features | Anti-Skip Protection, Built-in Speakers, Backlit Buttons, Equalizer, Repeat/Program Functions |
Warranty and Support
Kuephom products are designed for reliability and performance. For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official Kuephom website. Please retain your proof of purchase for warranty claims.





