LONPOO LP-D12BL
LONPOO Portable CD Player & Stereo Bluetooth Boombox
Model: LP-D12BL
1. Introduction
Thank you for purchasing the LONPOO Portable CD Player & Stereo Bluetooth Boombox. This device offers versatile audio playback options including CD, FM radio, Bluetooth, USB, and AUX input. Designed for portability and ease of use, it provides clear stereo sound for various environments. Please read this manual thoroughly before operating the unit to ensure proper use and to maximize its performance.

Image: Front view of the LONPOO Portable CD Player Boombox, showing the LCD display, speakers, and control buttons.
2. Package Contents
Please check the package for the following items:
- 1x LONPOO Portable CD Boombox (Model: LP-D12BL)
- 1x AC Power Cord
- 1x User Manual
3. Product Features
- Top-Loading CD Player: Supports CD, CD-R, and CD-RW discs. Features an auto lid open button.
- Bluetooth Connectivity: Stream music wirelessly from Bluetooth-enabled devices like smartphones, tablets, and laptops.
- FM Radio Tuner: Built-in digital FM stereo tuner with auto-search and 20 station preset memory.
- USB Input: Play MP3/WMA files directly from a USB drive.
- AUX-in Port: Connect external wired audio devices.
- Earphone Jack: For private listening.
- Dual Stereo Speakers: Powerful 5W (2.5W x2) RMS output for clear sound.
- LCD Display: Large, clear display for easy navigation and status indication.
- Dual Power Options: Operates via AC power (120V/60Hz) or 8 x Type-C (UM-2) batteries (not included) for portability.
- Portable Design: Features a sturdy handle for easy carrying.

Image: A person holding the boombox, illustrating its portability and various playback options including CD, FM Radio, Bluetooth, AUX-IN, USB Driver, and Earphone jack.
4. Controls and Connections
Familiarize yourself with the various controls and connection points on your boombox.

Image: Detailed diagram showing the boombox's features: (1) Automatic lid open-button, (2) Top-facing operating panel, (3) Convenient volume knob, (4) FM knob for tuning, (5) Clear white light display, and (6) Concealed ports for USB/AUX/Earphone.
Front Panel Controls:
- Volume Knob: Rotate to adjust the audio output level.
- Tuning Knob: Rotate to manually tune FM radio frequencies.
- Power Button: Press to turn the unit ON/OFF.
- Mode Button: Press to switch between CD, Bluetooth, FM, USB, and AUX modes.
- Play/Pause Button: Controls playback for CD, USB, and Bluetooth modes.
- Stop Button: Stops CD/USB playback.
- Previous/Next Buttons: Skips tracks on CD/USB, or adjusts FM frequency.
- Open Button: Ejects the CD lid.
- LCD Display: Shows current mode, track number, FM frequency, etc.
Concealed Ports (Under Display Cover):
- USB Port: For connecting USB flash drives.
- AUX-in Jack: 3.5mm input for external audio devices.
- Earphone Jack: 3.5mm output for headphones.
Rear Panel Connections:
- AC Power Input: For connecting the AC power cord.
- Battery Compartment: For 8 x Type-C (UM-2) batteries (not included).
- Rear Power Protection Button: Main power switch for safety and battery life saving.
- FM Antenna: Extendable telescopic antenna for FM radio reception.

Image: Rear view of the boombox, illustrating the sturdy portable handle, extendable FM radio antenna, rear power switch, AC port for wire connection, and the battery compartment (requires 8 x C-size batteries).
5. Setup
Powering the Unit:
- AC Power: Connect the supplied AC power cord to the AC input on the rear of the boombox and then plug the other end into a standard wall outlet (120V/60Hz).
- Battery Power: Open the battery compartment on the rear of the unit. Insert 8 x Type-C (UM-2) batteries, ensuring correct polarity (+/-). Close the compartment securely.
Note: When operating on AC power, batteries are automatically disconnected. Always ensure the rear power protection button is in the ON position before operating the unit.

Image: Illustration of the dual power supply options: battery operation (8 x C-size batteries, not included) and AC powered plug-in.
6. Operating Instructions
General Operation:
- Ensure the rear power protection button is ON.
- Press the Power button on the top panel to turn on the boombox.
- Rotate the Volume Knob to set the desired listening level.
- Press the Mode button repeatedly to cycle through available modes: CD, Bluetooth, FM, USB, AUX.
CD Playback:
- Press the Open button to open the CD compartment lid.
- Place a CD (or CD-R/CD-RW) with the label side facing up onto the spindle.
- Gently close the CD compartment lid.
- Press the Mode button until 'CD' is displayed. The CD will begin playing automatically.
- Use the Previous/Next buttons to skip tracks.
- Press Play/Pause to pause or resume playback.
- Press Stop to stop playback.

Image: The boombox displaying 'CD' and '00:25' on its LCD screen, indicating CD playback at 25 seconds into the track.
Bluetooth Operation:
- Press the Mode button until 'BT' (Bluetooth) is displayed on the LCD. The unit will enter pairing mode, indicated by a flashing 'BT' icon.
- Enable Bluetooth on your external device (smartphone, tablet, etc.) and search for available devices.
- Select 'LP-D12BL' from the list of devices. Once paired, the 'BT' icon will stop flashing and remain solid.
- You can now play music from your device through the boombox. Use the boombox's Play/Pause and Previous/Next buttons, or control playback directly from your paired device.
Note: This CD player is a Bluetooth receiver only and cannot connect to other Bluetooth speakers or headphones.

Image: The boombox on a table with a smartphone and headphones nearby, illustrating its Bluetooth 5.3 capability for faster and more stable connections with devices like cellphones, tablets, and computers.
FM Radio Operation:
- Extend the telescopic FM antenna for optimal reception.
- Press the Mode button until 'FM' is displayed.
- Manual Tuning: Rotate the Tuning Knob to manually select a radio station.
- Auto Scan/Preset: Press and hold the Play/Pause button to auto-scan and save available FM stations to presets. Use the Previous/Next buttons to cycle through saved presets.
USB Playback:
- Open the concealed port cover and insert a USB flash drive into the USB port.
- Press the Mode button until 'USB' is displayed. The unit will automatically detect and begin playing compatible audio files (MP3/WMA).
- Use the Previous/Next buttons to skip tracks.
- Press Play/Pause to pause or resume playback.
- Press Stop to stop playback.

Image: A child wearing headphones, listening to music from the boombox via USB playback, demonstrating the CD Disc/USB Playback features including play in order, single cycle, repeat all, and random play.
AUX Input:
- Open the concealed port cover.
- Connect one end of a 3.5mm audio cable (not included) to the AUX-in jack on the boombox.
- Connect the other end of the audio cable to the headphone jack or audio output of your external device.
- Press the Mode button until 'AUX' is displayed.
- Control playback and volume directly from your external device.
Using Earphones:
- Open the concealed port cover.
- Plug your 3.5mm earphones into the Earphone Jack.
- Audio will automatically switch from the speakers to the earphones. Adjust volume using the boombox's volume knob.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the unit. Do not use abrasive cleaners or solvents.
- CD Lens Care: If the CD player experiences reading errors, use a commercially available CD lens cleaner disc to clean the lens.
- Storage: When not in use for extended periods, remove batteries and store the unit in a cool, dry place away from direct sunlight and extreme temperatures.
- Ventilation: Ensure proper ventilation around the unit during operation to prevent overheating. Do not block ventilation openings.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on. | No power supply; Rear power protection button OFF; Batteries depleted/incorrectly inserted. | Check AC power connection; Ensure rear power protection button is ON; Replace batteries or check polarity. |
| No sound. | Volume too low; Incorrect mode selected; Earphones connected. | Increase volume; Select correct mode; Disconnect earphones. |
| CD does not play/skips. | CD dirty/scratched; CD inserted incorrectly; CD format not supported. | Clean or replace CD; Insert CD label-side up; Ensure CD is CD/CD-R/CD-RW format. |
| Bluetooth not connecting. | Boombox not in BT mode; Device too far; Device already paired to another unit. | Switch boombox to BT mode; Move device closer; Disconnect from other devices and re-pair. |
| Poor FM radio reception. | Antenna not extended; Weak signal area. | Fully extend and adjust the telescopic antenna; Try moving the unit to a different location. |
| USB not playing. | USB drive not inserted correctly; Incompatible file format; USB drive corrupted. | Re-insert USB drive; Ensure files are MP3/WMA; Try a different USB drive. |
9. Specifications
| Feature | Specification |
|---|---|
| Model Number | LP-D12BL |
| Power Source | AC 120V/60Hz or 8 x Type-C (UM-2) Batteries |
| Speaker Output | 5W RMS (2.5W x 2) |
| Supported Disc Formats | CD, CD-R, CD-RW |
| Supported USB Audio Formats | MP3, WMA |
| Bluetooth Version | Not specified in input, but implied by 'Bluetooth 5.3' image. Assuming 5.3. |
| FM Frequency Range | Not specified in input. Standard FM range. |
| Dimensions (L x W x H) | 31.75 x 24.89 x 12.95 cm (12.5 x 9.8 x 5.1 inches) |
| Weight | 2.22 kg (4.9 lbs) |
10. Warranty and Support
LONPOO products are designed and manufactured to the highest quality standards. For warranty information or technical support, please refer to the contact details provided with your purchase documentation or visit the official LONPOO website.
Manufacturer: zhongxinguang
Place of Business: Shenzhen Longping Technology Co.,Ltd ADD:Bulid 3,Fuhai Industrial Zone,Fuyong Street,Bao’an District,Shenzhen,China
E-mail: service@lonpoo
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