1. Important Safety Instructions
Please read these instructions carefully before using the device and retain them for future reference. Failure to follow these instructions may result in electric shock, fire, or other hazards.
- Do not expose this appliance to rain or moisture.
- Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
- Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where they exit from the appliance.
- Only use attachments/accessories specified by the manufacturer.
- Unplug this appliance during lightning storms or when unused for long periods of time.
- Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
- Do not open the unit. There are no user-serviceable parts inside.
2. Product Overview
The LONPOO Portable CD Player Boombox (Model zxg-103) is a versatile audio device offering multiple playback options including CD, FM Radio, Bluetooth, USB, and AUX input. It features a built-in rechargeable battery for portability and dual stereo speakers for clear sound.
Key Features:
- Top-loading CD player compatible with CD, CD-R, and CD-RW discs.
- Built-in FM radio tuner.
- Bluetooth connectivity for wireless audio streaming.
- USB port for MP3/WMA playback from flash drives.
- AUX input for connecting external audio devices.
- 3.5mm headphone jack for private listening.
- 3.5mm microphone port for external microphone input.
- Integrated rechargeable battery and AC power option.
- LCD display and intuitive control panel.
- Portable handle for easy transport.
Package Contents:
- LONPOO Portable CD Player Boombox (zxg-103)
- AC Power Adapter
- Remote Control
- User Manual (this document)
Controls and Ports Diagram:

Image: Front and rear view of the LONPOO Portable CD Player Boombox, highlighting the power button, volume controls, mode/EQ button, track/tuning buttons, repeat/memory button, scan/stop/play button, AUX-in port, USB port, earphone port, FM antenna, handle, and AC power port.

Image: A circular diagram illustrating the multiple functions of the boombox, including CD play, MP3/WMA format support, Bluetooth, FM radio, USB play, AUX line-in, 5-EQ modes, and 3.5mm headphone jack out.
3. Setup
3.1 Powering the Device
The boombox can be powered by the included AC adapter or its internal rechargeable battery.
- AC Power: Connect the AC power adapter to the AC IN port on the back of the unit and plug the other end into a standard wall outlet.
- Rechargeable Battery: The internal battery charges automatically when the unit is connected to AC power. A full charge provides several hours of playback. The battery indicator on the LCD display will show charging status.
3.2 Initial Power On
- Ensure the unit is connected to power or has sufficient battery charge.
- Press the POWER button (usually marked with a circle and a vertical line) on the front panel to turn on the device. The LCD display will illuminate.
4. Operating Instructions
4.1 CD Playback
- Press the OPEN/CLOSE button or lift the CD compartment lid.
- Place a CD, CD-R, or CD-RW disc onto the spindle with the label side facing up.
- Close the CD compartment lid firmly.
- Press the MODE/EQ button repeatedly until 'CD' mode is selected on the LCD display.
- Press the PLAY/PAUSE button to start playback.
- Use the PREVIOUS/NEXT buttons to skip tracks.
- Press the REPEAT button to repeat the current track or all tracks.
- Adjust volume using the VOL+ and VOL- buttons.

Image: The LONPOO Portable CD Player Boombox with its top-loading CD compartment open, showing a CD being placed inside. This illustrates the CD loading process.
4.2 FM Radio Operation
- Extend the FM antenna on the back of the unit for optimal reception.
- Press the MODE/EQ button repeatedly until 'FM' mode is selected.
- Press and hold the SCAN button to automatically scan and save available FM stations.
- Use the PREVIOUS/NEXT buttons to navigate through saved stations or manually tune.
- Adjust volume using the VOL+ and VOL- buttons.
4.3 Bluetooth Connection
- Press the MODE/EQ button repeatedly until 'BT' (Bluetooth) mode is selected. The LCD display will show 'BT' and flash, indicating it's in pairing mode.
- On your Bluetooth-enabled device (e.g., smartphone, tablet), enable Bluetooth and search for available devices.
- Select 'LP-D03' (or similar model name) from the list of devices.
- Once paired, the 'BT' indicator on the boombox will stop flashing and remain solid. You can now stream audio from your device.
- Adjust volume using the VOL+ and VOL- buttons on the boombox or your connected device.

Image: The LONPOO Portable CD Player Boombox positioned next to a smartphone displaying its Bluetooth settings, showing a successful connection to 'LP-D03'. This illustrates the Bluetooth pairing process.
4.4 USB Playback
- Insert a USB flash drive (containing MP3/WMA audio files) into the USB port on the front of the unit.
- Press the MODE/EQ button repeatedly until 'USB' mode is selected.
- The unit will automatically begin playing the audio files from the USB drive.
- Use the PREVIOUS/NEXT buttons to skip tracks.
- Adjust volume using the VOL+ and VOL- buttons.
4.5 AUX Input
- Connect an external audio device (e.g., MP3 player, smartphone) to the AUX IN port on the front of the unit using a 3.5mm audio cable (not included).
- Press the MODE/EQ button repeatedly until 'AUX' mode is selected.
- Start playback on your external audio device.
- Adjust volume using the VOL+ and VOL- buttons on the boombox and/or your external device.
4.6 Headphone Use
- Plug 3.5mm headphones into the PHONES port on the front of the unit.
- Audio will automatically switch from the speakers to the headphones.
- Adjust volume using the VOL+ and VOL- buttons.

Image: A child and an adult are shown happily listening to the LONPOO Portable CD Player Boombox using wired headphones, demonstrating the private listening feature.
4.7 Microphone Input
Connect a 3.5mm microphone (not included) to the MIC port on the front of the unit. The microphone input will mix with the current audio source.
4.8 Equalizer (EQ) Modes
Press the MODE/EQ button briefly while in any playback mode to cycle through available equalizer presets (e.g., Pop, Rock, Jazz, Classic, Flat) to adjust the sound profile.
5. Maintenance
5.1 Cleaning
- Always unplug the unit from the power outlet before cleaning.
- Use a soft, dry cloth to clean the exterior surfaces. Do not use abrasive cleaners or solvents.
- For the CD lens, use a specialized CD lens cleaning kit. Do not touch the lens directly.
5.2 Storage
When not in use for extended periods, store the boombox in a cool, dry place away from direct sunlight and extreme temperatures. Ensure the unit is fully charged before storing to maintain battery health.
6. Troubleshooting
If you encounter issues with your LONPOO Portable CD Player Boombox, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | AC adapter not connected; Battery depleted | Ensure AC adapter is securely plugged in; Charge the battery. |
| No sound | Volume too low; Mute activated; Incorrect mode selected; Headphones connected | Increase volume; Check if muted; Select correct playback mode; Disconnect headphones if not desired. |
| CD not playing/skipping | Disc dirty or scratched; Disc inserted incorrectly; Non-compatible disc format | Clean disc with a soft cloth; Reinsert disc correctly; Ensure disc is CD, CD-R, or CD-RW. |
| FM radio static | Poor reception; Antenna not extended | Extend and adjust FM antenna; Try moving the unit to a different location. |
| Bluetooth not connecting | Boombox not in pairing mode; Device Bluetooth off; Incorrect device selected | Ensure boombox is in 'BT' mode and flashing; Enable Bluetooth on your device; Select 'LP-D03' from device list. |
| USB not playing | USB drive not inserted correctly; Incompatible file format; USB drive corrupted | Reinsert USB drive; Ensure files are MP3/WMA; Try a different USB drive. |
7. Specifications
| Feature | Specification |
|---|---|
| Model Number | zxg-103 |
| Product Dimensions (L x W x H) | 9.5 x 8.3 x 5.1 inches (24.1 x 21.1 x 13 cm) |
| Item Weight | 3.19 pounds (1.45 kg) |
| Power Output | 10W x 2 (RMS) |
| Speaker Type | Stereo |
| Connectivity Technology | Bluetooth, USB, AUX, 3.5mm MIC, 3.5mm Headphone |
| CD Compatibility | CD, CD-R, CD-RW |
| USB Playback Formats | MP3, WMA |
| Power Source | AC Power Adapter, Built-in Rechargeable Battery |

Image: The LONPOO Portable CD Player Boombox shown on a wooden surface with its approximate dimensions (9.3 inches length, 8.3 inches width, 4.5 inches height) clearly labeled.
8. Warranty and Support
This product is covered by a standard manufacturer's warranty. For specific warranty details, please refer to the documentation included with your purchase or contact LONPOO customer support.
For technical assistance, troubleshooting not covered in this manual, or warranty claims, please visit the official LONPOO website or contact their customer service department. Contact information can typically be found on the product packaging or the brand's official online presence.





