1. Introduction
The Muzen Wild Radiooo is a versatile portable speaker designed for robust outdoor and indoor use. It features a high-quality NdFeB magnetic speaker for superior sound, multiple connectivity options including Bluetooth, AUX, and FM radio, and a durable metal outer case. This manual provides detailed instructions for setting up, operating, and maintaining your device.

Figure 1.1: Muzen Wild Radiooo Portable Bluetooth Speaker (Military Green)
2. What's in the Box
Please check the contents of your package to ensure all items are present:
- Muzen Wild Radiooo Speaker
- Shoulder Strap
- User Manual
- USB Charging Cable
- AUX Audio Cable
- FM Antenna

Figure 2.1: Package Contents
3. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 3.9 x 5.9 x 2.7 inches (144mm x 87mm x 66mm) |
| Item Weight | 1.84 pounds (0.84 kg) |
| Model Number | MW-JS1 |
| Battery Capacity | 800mAh Lithium Ion (included) |
| Playtime (FM Radio) | Up to 10 hours |
| Playtime (Bluetooth) | Up to 6 hours |
| Charging Time | Approximately 3 hours via USB |
| Connectivity Technology | Bluetooth, Auxiliary |
| Radio Bands Supported | FM |
4. Setup
4.1 Initial Charging
Before first use, fully charge the Muzen Wild Radiooo. Connect the provided USB charging cable to the speaker's charging port and to a USB power source (e.g., computer USB port, USB wall adapter). The charging indicator light will show charging status and turn off when fully charged. A full charge takes approximately 3 hours.
4.2 Attaching the Shoulder Strap
The included shoulder strap can be attached to the designated loops on the speaker for convenient portability. Ensure the strap is securely fastened before carrying the speaker.

Figure 4.1: Attaching the Shoulder Strap
4.3 Connecting the FM Antenna
For optimal FM radio reception, connect the provided external FM antenna to the antenna port on the speaker. Extend the antenna fully for best signal strength.
4.4 Setup Overview Video
Video 4.1: An overview of the Muzen Wild Radiooo, demonstrating its features and portability. This video shows the speaker's design, how to attach the strap, and its use in outdoor settings.
5. Operating Instructions
5.1 Power On/Off and Mode Selection
The Muzen Wild Radiooo features a combined power/mode knob. Rotate this knob to turn the device on and select between Bluetooth, AUX, and FM radio modes.

Figure 5.1: Mode Selection Knob
5.2 Bluetooth Pairing
- Turn the mode knob to the Bluetooth position. The speaker will enter pairing mode, indicated by a flashing light.
- On your mobile device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "Muzen Wild Radiooo" from the list.
- Once paired, the indicator light will become solid, and you will hear a confirmation sound.
- You can now stream audio wirelessly from your device to the speaker.
5.3 FM Radio Operation
- Ensure the FM antenna is connected and extended.
- Turn the mode knob to the FM position.
- Use the dedicated FM tuning knob to scan for radio stations. Rotate the knob slowly to fine-tune the reception.
- Adjust the volume using the volume knob.
5.4 AUX Mode
- Turn the mode knob to the AUX position.
- Connect one end of the provided 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).
- Audio will now play through the speaker from your connected device.

Figure 5.2: Extended Playtime
6. Maintenance
6.1 Cleaning
To clean the speaker, use a soft, dry cloth. For stubborn dirt, a slightly damp cloth can be used, but ensure no moisture enters the ports or openings. The metal casing is designed to be detachable for easier cleaning and maintenance, allowing access to internal components if needed.

Figure 6.1: Detachable Metal Casing for Maintenance
6.2 Battery Care
To prolong battery life, avoid fully discharging the speaker frequently. Recharge the battery when the low battery indicator appears. Store the speaker in a cool, dry place when not in use for extended periods, and charge it periodically (e.g., every 3-6 months) to maintain battery health.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Battery is depleted. | Charge the speaker fully using the provided USB cable. |
| Cannot pair via Bluetooth | Speaker is not in pairing mode; device Bluetooth is off; too far from speaker. | Ensure speaker is in Bluetooth mode (flashing light). Turn Bluetooth off/on on your device. Move device closer to speaker (within 33 ft). |
| Poor FM reception | Antenna not connected/extended; weak signal area. | Connect and fully extend the FM antenna. Try repositioning the speaker or antenna. |
| No sound in AUX mode | AUX cable not properly connected; volume too low on speaker or source device. | Ensure AUX cable is securely connected to both devices. Increase volume on both the speaker and the source device. |
8. Warranty and Support
Muzen products are manufactured with high standards of quality and craftsmanship. For warranty information and technical support, please refer to the warranty card included with your product or visit the official Muzen website. Keep your purchase receipt as proof of purchase for any warranty claims.
Manufacturer: MUZEN