ROFALL Bluetooth Wireless Speaker M57F-3B User Manual

1. Introduction

Thank you for purchasing the ROFALL Bluetooth Wireless Speaker M57F-3B. This portable speaker is designed to deliver high-definition stereo sound with Bluetooth 5.3 connectivity, double pairing capabilities, and dynamic RGB lighting. This manual provides detailed instructions for safe and efficient use of your speaker.

Figure 1: ROFALL Bluetooth Wireless Speaker M57F-3B

2. Safety Information

• Do not expose the speaker to extreme temperatures or direct sunlight for prolonged periods.
• Avoid dropping or subjecting the speaker to strong impacts.
• Keep the speaker away from water and liquids, despite its waterproof rating, to prevent damage to internal components.
• Do not attempt to disassemble, repair, or modify the speaker yourself. Contact qualified service personnel for assistance.
• Use only the provided charging cable or a certified equivalent.
• Keep out of reach of children.

3. Package Contents

Please check the package for the following items:

• ROFALL Bluetooth Wireless Speaker M57F-3B
• Charging Cable (USB-C, assumed)
• User Manual (this document)

4. Product Overview

Familiarize yourself with the speaker's buttons and ports for optimal use.

Figure 2: Speaker Controls and Ports

• Power On/Off Button: Press and hold to power the speaker on or off.
• Volume Up / Next Track Button: Short press for volume up, long press for next track.
• Volume Down / Previous Track Button: Short press for volume down, long press for previous track.
• Play/Pause Button: Press to play or pause music. Also used for answering/ending calls.
• Switch Mode Button (M): Press to cycle through input modes (Bluetooth, AUX, TF Card).
• LED Light Controller Button: Press to change or turn off RGB light modes.
• Type-C Charging Port: For charging the speaker.
• TF/Micro SD Card Slot: For playing music directly from a memory card.
• AUX-IN/Line-in Jack: For connecting external audio devices via a 3.5mm audio cable.

5. Setup

5.1 Charging the Speaker

1. Connect the provided USB-C charging cable to the Type-C charging port on the speaker.
2. Connect the other end of the cable to a USB power adapter (not included) or a computer's USB port.
3. The charging indicator light will illuminate. It will typically change color or turn off once fully charged.

5.2 Power On/Off

• To power on, press and hold the Power On/Off button until you hear an audible prompt or see the LED lights activate.
• To power off, press and hold the Power On/Off button again until the speaker shuts down.

5.3 Bluetooth Pairing

1. Ensure the speaker is powered on and in Bluetooth pairing mode (indicated by a flashing LED light, typically blue). If not, press the 'M' button to switch to Bluetooth mode.
2. On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
3. Select "ROFALL M57F-3B" (or similar name) from the list of devices.
4. Once paired, the speaker will emit an audible confirmation, and the LED light will stop flashing.

5.4 Double Pairing (True Wireless Stereo - TWS)

To achieve an immersive stereo sound experience, you can pair two ROFALL M57F-3B speakers together.

Figure 3: Wireless Stereo Pairing Setup

1. Ensure both speakers are powered on and not connected to any other Bluetooth device.
2. On one speaker (this will be the primary speaker), press and hold the Play/Pause button for a few seconds until you hear a pairing tone.
3. The two speakers will automatically connect to each other. Once connected, you will hear a confirmation tone.
4. Now, pair your device to the primary speaker as described in section 5.3. Both speakers will play audio simultaneously.

6. Operating Instructions

6.1 Music Playback

• Play/Pause: Press the Play/Pause button.
• Volume Up: Short press the '+' button.
• Volume Down: Short press the '-' button.
• Next Track: Long press the '+' button.
• Previous Track: Long press the '-' button.

6.2 Speakerphone Function

When connected via Bluetooth, the speaker can be used as a speakerphone.

• Answer Call: Press the Play/Pause button.
• End Call: Press the Play/Pause button again.
• Reject Call: Press and hold the Play/Pause button.

6.3 RGB Light Control

The speaker features dynamic RGB lighting. Use the LED Light Controller button to manage the light effects.

Figure 4: Speaker with Pulsing Light Show and Device Compatibility

• Press the LED Light Controller button to cycle through different light modes or to turn the lights off.

6.4 AUX-in Mode

Connect non-Bluetooth devices using a 3.5mm audio cable.

1. Connect one end of a 3.5mm audio cable (not included) to the AUX-IN jack on the speaker.
2. Connect the other end to the audio output of your device.
3. Press the 'M' button on the speaker until it enters AUX mode.
4. Control playback and volume from your connected device.

6.5 TF/Micro SD Card Mode

Play music directly from a TF/Micro SD card.

1. Insert a TF/Micro SD card (not included) with MP3 audio files into the TF/Micro SD Card Slot.
2. The speaker will automatically switch to TF Card mode and begin playing music. If not, press the 'M' button to select TF Card mode.
3. Use the speaker's controls for playback (Play/Pause, Next/Previous Track, Volume).

7. Maintenance

• Clean the speaker with a soft, dry cloth. Do not use abrasive cleaners or solvents.
• Store the speaker in a cool, dry place when not in use.
• Avoid prolonged exposure to moisture or extreme temperatures.
• Charge the speaker regularly to maintain battery health, even if not used frequently.

8. Troubleshooting

9. Specifications

10. Warranty and Support

For warranty information or technical support, please refer to the product packaging or contact ROFALL customer service through the retailer where the product was purchased. Keep your proof of purchase for warranty claims.