1. Introduction
Thank you for purchasing the Remax RB-M11 Fabric Bluetooth Speaker. This manual provides essential information for the proper use, setup, and maintenance of your device. Please read it thoroughly before operation.

Image 1.1: The Remax RB-M11 Fabric Bluetooth Speaker, showcasing its compact, oval design and fabric grille.
2. Package Contents
Please check the package for the following items:
- 1 x Remax RB-M11 Speaker
- 1 x Charging Cable
- 1 x User Manual (this document)

Image 2.1: The retail packaging of the Remax RB-M11 speaker, indicating the product and its branding.
3. Product Features
The Remax RB-M11 speaker offers a range of features designed for a superior audio experience:
- Crystal Clear Sound & Enhanced Bass: Delivers balanced audio with distinct mids and highs, and powerful bass.
- Fashionable Textile Design: Combines penetrating sound with a fabric finish, offering a retro and literary aesthetic.
- Built-In Microphone for Hands-Free Calls: Allows convenient call answering when connected to a smartphone.
- Advanced Bluetooth 4.2 Technology: Ensures maximum device compatibility and fast pairing speed with an effective distance of up to 10 meters.
- Multiple Playback Options: Supports Bluetooth 4.2, AUX-in, and TF card playback for versatile music enjoyment.

Image 3.1: An internal view illustrating the full frequency loudspeaker unit and professional vibration film design, contributing to the speaker's sound quality.
4. Controls and Ports
Familiarize yourself with the buttons and ports on your Remax RB-M11 speaker:

Image 4.1: A detailed diagram indicating the location and function of the speaker's controls and ports.
Top Panel Controls:
- M (Mode Button): Short press to switch between Bluetooth, AUX, and TF Card modes.
- - (Volume Down / Previous Track): Short press for Volume Down. Long press for Previous Track.
- + (Volume Up / Next Track): Short press for Volume Up. Long press for Next Track.
- Play/Pause Button: Short press to Play/Pause music. Press to answer/end calls. Long press to reject calls.
Rear Panel Ports:
- ON/OFF Switch: Power switch for turning the speaker on or off.
- AUX Input: 3.5mm audio jack for connecting external devices via an AUX cable.
- Micro USB Input (DC IN): Charging port for the speaker.
- TF Card Slot: Slot for inserting a MicroSD (TF) card for direct music playback.
5. Setup
5.1 Charging the Speaker
- Connect the provided charging cable to the Micro USB Input (DC IN) port on the speaker.
- Connect the other end of the charging cable to a USB power adapter (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 turn off or change color. A full charge typically takes approximately 2-3 hours.
Note: The speaker has a 1500mAh/3.7V rechargeable lithium battery.
5.2 Bluetooth Pairing
- Ensure the speaker is fully charged.
- Turn on the speaker by sliding the ON/OFF switch to the "ON" position. The speaker will enter Bluetooth pairing mode automatically, indicated by a flashing LED light (color may vary).
- On your smartphone or Bluetooth-enabled device, enable Bluetooth and search for available devices.
- Select "RB-M11" from the list of found devices.
- Once successfully paired, the speaker will emit an audible confirmation tone, and the LED indicator will stop flashing and remain solid.
- You can now play audio from your device through the Remax RB-M11 speaker.

Image 5.1: Illustration demonstrating the Bluetooth 4.2 chip's effective transmission range of 10 meters and its ability to quickly connect to previously paired devices.
Tip: The speaker will automatically attempt to reconnect to the last paired device when powered on, if that device is within range and has Bluetooth enabled.
6. Operating Instructions
6.1 Bluetooth Mode (Default)
- After successful pairing, play music from your connected device.
- Use the + and - buttons on the speaker for volume control (short press).
- Long press + for Next Track, long press - for Previous Track.
- Press the Play/Pause button to pause or resume playback.
6.2 AUX Mode
- Connect one end of a 3.5mm audio cable (not included) to the AUX input port on the speaker.
- Connect the other end to the audio output jack of your external device (e.g., MP3 player, computer).
- Press the M (Mode) button on the speaker until it announces "AUX Mode" or the indicator light changes.
- Control playback and volume primarily from your connected device. The speaker's volume buttons will also function.
6.3 TF Card Mode
- Insert a MicroSD (TF) card with pre-loaded MP3 audio files into the TF card slot on the speaker.
- The speaker will automatically switch to TF Card Mode and begin playing music from the card. If not, press the M (Mode) button until it enters TF Card Mode.
- Use the + and - buttons for volume control (short press) and track navigation (long press).
- Press the Play/Pause button to pause or resume playback.
6.4 Hands-Free Calling
- When a call comes in while the speaker is connected to your smartphone via Bluetooth, the music will pause.
- Short press the Play/Pause button to answer the incoming call.
- Short press the Play/Pause button again to end the call.
- Long press the Play/Pause button to reject an incoming call.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the speaker's surface. Do not use abrasive cleaners or solvents.
- Storage: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, charge the speaker regularly, even if not in frequent use. Avoid fully discharging the battery for extended periods.
- Water Resistance: This speaker is NOT waterproof. Avoid exposure to water, rain, or excessive moisture.
- Handling: Do not drop, disassemble, or attempt to repair the speaker yourself. This may void the warranty and cause damage.
8. Troubleshooting
| Problem | Possible Solution |
|---|---|
| Speaker does not turn on. | Ensure the battery is charged. Connect the charging cable and try again. |
| Cannot pair with Bluetooth device. |
|
| No sound or low volume. |
|
| Music skips or disconnects. |
|
9. Specifications

Image 9.1: Visual representation of the Remax RB-M11 speaker's dimensions: Length 19cm, Width 5.5cm, Height 9cm.
| Feature | Detail |
|---|---|
| Brand | Remax |
| Model | RB-M11 |
| Bluetooth Version | V4.2 |
| Effective Distance | 10 meters |
| Battery Capacity | 1500mAh / 3.7V (Rechargeable Lithium Battery) |
| Rated Power Output | 3.5W |
| Signal-to-Noise Ratio (PSNR) | >82dB |
| Standby Time | ≥30 hours |
| Play Time | ≥4 hours |
| Product Dimensions | 23 x 13 x 8 cm |
| Product Weight | 500 g |
| Connectivity Technology | Bluetooth |
| Audio Output Mode | Stereo |
| Special Features | Wireless, Bluetooth, TF Card Support, Hands-Free Calling, AUX Input |
10. Warranty and Support
This product is designed and manufactured by Remax. For specific warranty terms and conditions, please refer to the warranty card included with your purchase, or contact your local Remax distributor or retailer.
For technical support or inquiries, please reach out to the point of purchase or the official Remax customer service channels available in your region. Please have your product model number (RB-M11) and purchase details ready when contacting support.



