Muzen MW-2AI
Muzen Metal Bluetooth Speaker Vintage Radio User Manual
Model: MW-2AI
Product Overview
The Muzen Metal Bluetooth Speaker Vintage Radio is a portable audio device designed with a classic retro aesthetic, combining modern Bluetooth technology with traditional FM radio functionality. It offers versatile connectivity options including Bluetooth 4.0 and a 3.5mm AUX input, making it suitable for various audio sources. Its compact size and durable metal construction ensure portability and longevity, providing clear sound for both indoor and outdoor use.
This speaker features a 5-watt amplifier for robust audio output and a 1000mAh built-in rechargeable battery, offering extended playtime. The vintage design, reminiscent of 1950s radios, makes it a unique addition to any setting.
Package Contents

Image: The Muzen Metal Bluetooth Speaker, its carrying case, charging cables, and decorative stickers, all neatly arranged with its product box.
Upon unboxing your Muzen Metal Bluetooth Speaker, please ensure all the following items are present:
- Muzen Metal Bluetooth Speaker (Model: MW-2AI)
- USB Charging Cable
- 3.5mm AUX Audio Cable
- User Manual (this document)
- Antenna (for FM radio)
- Decorative Stickers
- Carrying Case (often included with specific models/bundles)
If any items are missing or damaged, please contact customer support immediately.
Setup
Initial Charging
Before first use, it is recommended to fully charge the speaker. Connect the provided USB charging cable to the speaker's charging port and the other end to a USB power adapter (not included) or a computer's USB port. The charging indicator light will illuminate during charging and turn off when fully charged.
Antenna Installation (for FM Radio)
For optimal FM radio reception, gently insert the provided antenna into the designated antenna port on the speaker. Extend the antenna fully for better signal strength.
Operating Instructions
Power On/Off
To power on the speaker, rotate the VOL knob clockwise until you hear a click and the indicator light illuminates. To power off, rotate the VOL knob counter-clockwise until it clicks off.
Volume Control
Adjust the volume by rotating the VOL knob. Rotate clockwise to increase volume and counter-clockwise to decrease volume.
Mode Selection
The speaker supports three operating modes: Bluetooth, FM Radio, and AUX. Use the mode switch or knob (if present) to cycle between these modes.

Image: A hand is shown adjusting the tuning knob on the vintage-style Muzen speaker, which has an extended antenna, indicating FM radio operation.
Bluetooth Mode
- Turn on the speaker.
- Switch to Bluetooth mode. The speaker will emit a pairing tone and the indicator light will flash, indicating it's ready for pairing.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "Muzen OTR" or similar from the list of devices.
- Once connected, the speaker will emit a confirmation tone, and the indicator light will become solid. You can now play audio from your device.

Image: The Muzen speaker is shown next to a smartphone displaying a music player interface, with a Bluetooth icon indicating a successful wireless connection.
FM Radio Mode
- Ensure the antenna is properly installed and extended.
- Switch the speaker to FM mode.
- Rotate the tuning knob (often labeled FM or with frequency markings) to scan for radio stations.
- Fine-tune the knob until you achieve clear reception for your desired station.
AUX Mode
- Connect one end of the 3.5mm AUX audio cable to the speaker's AUX input port.
- Connect the other end of the AUX cable to the audio output jack of your external device (e.g., MP3 player, computer, TV).
- Switch the speaker to AUX mode.
- Audio will now play through the speaker from your connected device.
Maintenance
- Cleaning: Use a soft, dry cloth to wipe the speaker's surface. Avoid using abrasive cleaners, solvents, or strong chemicals, as they may damage the finish.
- Storage: When not in use for extended periods, store the speaker in a cool, dry place, away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the speaker regularly, even if not in constant use.
- Water Resistance: This speaker is not waterproof. Avoid exposing it to water, rain, or excessive humidity.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on. | Battery is depleted. | Charge the speaker fully using the provided USB cable. |
| No sound in Bluetooth mode. | Not paired correctly; volume too low; device not playing audio. | Ensure speaker is in Bluetooth mode and paired. Increase speaker and device volume. Check if audio is playing on the source device. |
| Poor FM radio reception. | Antenna not extended; weak signal area. | Fully extend the antenna. Try repositioning the speaker for better signal. |
| No sound in AUX mode. | AUX cable not connected properly; speaker not in AUX mode; device volume too low. | Ensure AUX cable is securely connected. Switch speaker to AUX mode. Increase volume on both speaker and source device. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | MW-2AI |
| Dimensions | 8.8 x 5.6 x 6.5 cm (3.46 x 2.21 x 2.56 inches) |
| Weight | 800 g |
| Material | Metal (High-density zinc-aluminum alloy) |
| Connectivity | Bluetooth 4.0, 3.5mm AUX |
| Audio Output | 5 Watts |
| Battery Capacity | 1000mAh (rechargeable) |
| Playtime (Bluetooth) | Up to 10 hours |
| Playtime (FM Mode) | Up to 20 hours |
| Radio Bands | FM |
| Color Options | Blue/Red/Green/Pink/Black/Purple/White |

Image: The Muzen speaker is shown with overlaid measurements indicating its compact size: 3.46 inches wide, 2.56 inches tall, and 2.2 inches deep.
Warranty and Support
Muzen products typically come with a standard manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions, including warranty period and coverage details. Retain your proof of purchase for warranty claims.
For technical support, troubleshooting assistance, or warranty inquiries, please visit the official Muzen website or contact their customer service department. Contact information can usually be found on the product packaging or the official brand website.
You can also visit the Muzen Store on Amazon for more product information and support resources.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.