1. Introduction
This manual provides detailed instructions for the proper use and maintenance of your Remax RB-M20 Aluminum Wireless Bluetooth Speaker. Please read this manual thoroughly before operating the device to ensure optimal performance and longevity. Keep this manual for future reference.
2. Product Overview
The Remax RB-M20 is a compact and portable Bluetooth speaker designed for wireless audio playback. Its aluminum construction provides durability and a sleek aesthetic.

An image showing the front view of the Remax RB-M20 speaker, highlighting its aluminum grille and compact rectangular design.
Key Features:
- Wireless Bluetooth Connectivity
- Durable Aluminum Material
- Compact and Portable Design
- Wired/Wireless Connectivity Options
- Speaker Maximum Output Power: 5 Watts
3. Setup
3.1 Charging the Speaker
- Locate the charging port on the speaker.
- Connect the provided USB charging cable to the speaker's charging port.
- Connect the other end of the USB cable to a compatible USB power source (e.g., computer USB port, USB wall adapter).
- The charging indicator light will illuminate, typically red, during charging.
- Once fully charged, the indicator light may change color (e.g., turn off or turn blue/green). Disconnect the speaker from the power source.
Note: For optimal battery life, fully charge the speaker before first use.
3.2 Powering On/Off
- To Power On: Press and hold the power button for approximately 3-5 seconds until you hear an audible prompt or see an indicator light illuminate.
- To Power Off: Press and hold the power button again for approximately 3-5 seconds until you hear an audible prompt or the indicator light turns off.
4. Operating Instructions
4.1 Bluetooth Pairing
- Ensure the speaker is powered on and in pairing mode. The Bluetooth indicator light will typically flash rapidly (e.g., blue).
- On your mobile device (smartphone, tablet, computer), enable Bluetooth.
- Search for available Bluetooth devices. The speaker should appear as "RB-M20" or "Remax RB-M20".
- Select the speaker from the list to initiate pairing.
- Once successfully paired, you will hear an audible confirmation, and the Bluetooth indicator light will typically stop flashing and remain solid.
Note: The speaker will automatically attempt to reconnect to the last paired device when powered on, if that device's Bluetooth is active and within range.
4.2 Audio Playback and Controls
After successful pairing, you can play audio from your connected device. The speaker typically features the following controls:
- Power Button: Long press to power on/off. Short press may function as Play/Pause.
- Volume Up (+): Short press to increase volume. Long press may skip to the next track.
- Volume Down (-): Short press to decrease volume. Long press may skip to the previous track.
- Play/Pause Button: Short press to play or pause audio.
Specific button functions may vary slightly. Refer to the physical buttons on your device for exact markings.
4.3 Wired Connection (AUX)
The speaker supports wired audio input. Locate the AUX-in port on the speaker. Connect one end of a 3.5mm audio cable (not always included) to the speaker and the other end to the audio output of your device. The speaker should automatically switch to AUX mode or require a mode button press.
5. Maintenance
5.1 Cleaning
Wipe the speaker's exterior with a soft, dry, lint-free cloth. Do not use abrasive cleaners, solvents, or chemical sprays, as these can damage the finish or internal components. Avoid getting moisture into any openings.
5.2 Storage
When not in use for extended periods, store the speaker in a cool, dry place, away from direct sunlight and extreme temperatures. It is recommended to charge the battery periodically (e.g., every 3 months) to maintain battery health.
6. Troubleshooting
| Problem | Possible Solution |
|---|---|
| Speaker does not power on. | Ensure the battery is charged. Connect the speaker to a power source and try again. |
| Cannot pair with Bluetooth device. |
|
| No sound after pairing. |
|
| Sound quality is poor or intermittent. |
|
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | RB-M20 |
| Brand | Remax |
| Connectivity Technology | Wired/Wireless (Bluetooth) |
| Speaker Type | Bluetooth Speakers |
| Speaker Maximum Output Power | 5 Watts |
| Audio Output Mode | Stereo |
| Material | Aluminium |
| Mounting Type | Tabletop |
| Product Weight | 0.02 kg (20 g) |
| Package Dimensions | 28 x 8 x 6 cm |
| Recommended Uses | For Computers, Music Players, Smartphones or Tablets, Televisions |
8. Warranty and Support
For warranty information and customer support, please refer to the documentation provided at the time of purchase or contact your retailer. Keep your proof of purchase for any warranty claims.







