Introduction
Thank you for purchasing the MUZEN The Little Prince OTR Speaker. This compact and stylish device combines a vintage aesthetic with modern functionality, offering Bluetooth wireless music playback and FM radio capabilities. This manual provides essential information for the safe and optimal use of your speaker.

Package Contents
- MUZEN The Little Prince OTR Speaker (MW-2A)
- Carrying Case (may vary by package)
- USB Charging Cable
- AUX Cable
- FM Antenna
- User Manual (this document)
Product Overview
Familiarize yourself with the speaker's controls and ports.


Controls and Ports:
- Tuning Dial: For selecting FM radio frequencies.
- VOL Knob: Adjusts volume.
- OFF/FM/AUX Switch: Powers the unit off, selects FM radio mode, or selects AUX input mode.
- USB/AUX/FM ANTENNA Port: Multi-function port for charging, AUX input, and connecting the FM antenna.
Setup
1. Charging the Speaker
- Connect the provided USB charging cable to the USB/AUX/FM ANTENNA port on the back of the speaker.
- Connect the other end of the USB cable to a compatible USB power adapter (DC 5V, 500mA minimum, not included) or a computer's USB port.
- The charging indicator light will illuminate (color may vary) to show that the speaker is charging.
- Once fully charged, the indicator light will change or turn off. A full charge typically takes a few hours.
Note: For optimal battery life, fully charge the speaker before first use.
2. Connecting the FM Antenna
- For improved FM radio reception, connect the external FM antenna (included) to the USB/AUX/FM ANTENNA port.
Operating Instructions
1. Power On/Off and Mode Selection
- To turn on the speaker, slide the OFF/FM/AUX switch to either "FM" (for FM Radio) or "AUX" (for Bluetooth/AUX input).
- To turn off the speaker, slide the switch to "OFF".
2. Bluetooth Mode
- Slide the OFF/FM/AUX switch to "AUX". The speaker will automatically enter Bluetooth pairing mode. A blue indicator light may flash, indicating it's ready to pair.
- On your mobile device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "MUZEN OTR" (or similar name) from the list of devices.
- Once paired, the speaker will emit a confirmation sound, and the blue indicator light will become solid.
- You can now play music from your device through the speaker.
Note: The speaker will automatically try to reconnect to the last paired device when in AUX mode.
3. FM Radio Mode
- Slide the OFF/FM/AUX switch to "FM".
- Extend the external FM antenna for better reception.
- Rotate the Tuning Dial to scan for FM radio stations.
- Adjust the VOL knob to your desired listening level.
4. AUX Input Mode
- Slide the OFF/FM/AUX switch to "AUX".
- Connect one end of the provided AUX cable to the USB/AUX/FM ANTENNA port on the speaker.
- Connect the other end of the AUX cable to the headphone jack or audio output of your external audio device.
- Play audio from your external device. The speaker will automatically switch to AUX input.
5. Volume Control
- Rotate the VOL knob clockwise to increase volume and counter-clockwise to decrease volume.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the speaker's surface. Do not use abrasive cleaners or solvents.
- Storage: When not in use for extended periods, store the speaker in a cool, dry place, preferably in its carrying case.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the speaker regularly, even if not in use.
- Avoid Water: This speaker is not waterproof. Keep it away from water and high humidity.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not turn on. | Battery is depleted. | Charge the speaker using the USB cable. |
| No sound from speaker. | Volume is too low; incorrect mode selected; device not paired (Bluetooth); AUX cable not connected properly. | Increase volume; ensure correct mode (FM/AUX) is selected; re-pair Bluetooth device; check AUX cable connection. |
| Bluetooth device cannot pair. | Speaker not in pairing mode; device too far; interference. | Ensure speaker is in AUX mode and indicator is flashing; move device closer; turn off other Bluetooth devices. |
| Poor FM radio reception. | Antenna not connected or extended; weak signal. | Connect and fully extend the FM antenna; try repositioning the speaker. |
Specifications
| Feature | Detail |
|---|---|
| Model | MW-2A |
| Brand | MUZEN (ERIKOLE) |
| Weight | 450g |
| Input/Output Ports | USB (for charging/AUX) |
| Power Input | DC 5V, 500mA |
| Battery | Li-ion 3.7V 1000mAh |
| Wireless Connectivity | Bluetooth |
| Audio Crossover | Full-Range |
| Material | Metal |
| Waterproof | No |
| Voice Control | No |
| App Support | No |
| Inbox Adaptor | No |
| Intelligent Personal Assistant | None |
| Use | Home |
| Origin | Mainland China |
User Tips
- Optimal Placement: For the best sound quality and FM reception, place the speaker on a stable surface away from obstructions and other electronic devices that might cause interference.
- Bluetooth Range: Keep your paired Bluetooth device within 10 meters (33 feet) of the speaker for a stable connection.
- Battery Preservation: If storing the speaker for a long time, charge it to about 50-70% every few months to maintain battery health.
- Retro Aesthetic: The vintage design is a key feature; consider pairing it with other retro decor for a cohesive look.
Warranty and Support
For any inquiries, questions, or support needs regarding your MUZEN The Little Prince OTR Speaker, please contact the seller or manufacturer directly.
Manufacturer Website: www.airsmartaudio.com
Please retain your proof of purchase for warranty claims.





