Bubble Complete Guide

Modified on Fri, 13 Mar at 5:00 PM

Portronics Bubble Keyboard – Setup & Troubleshooting Guide


1. Product Overview

Model: Portronics Bubble
Type: Multimedia Wireless Keyboard

Connectivity

  • 2.4 GHz Wireless via USB Receiver

  • Bluetooth (BT1 / BT2)

Power Supply

  • AAA Batteries

Compatibility

  • Windows Devices

  • macOS Devices

  • Android Devices (with supported USB interface)

Keyboard Specifications

  • Interface: 2.4 GHz Wireless + USB Receiver

  • Wireless Range: Up to 10 meters

Package Contents

  • Portronics Bubble Wireless Keyboard

  • USB Receiver

  • User Manual


2. Connectivity Guide


A. Connecting via 2.4 GHz USB Receiver

Step 1: Turn ON the Keyboard

Turn on the keyboard using the power switch located on the upper back of the keyboard.

Step 2: Insert the USB Receiver

  1. Locate the USB receiver stored in the back of the keyboard.

  2. Insert the receiver into the USB port of your laptop, desktop, or tablet.

Step 3: Activate 2.4 GHz Mode

Press Fn + 3 (2.4G) to switch the keyboard to 2.4 GHz wireless mode.

Step 4: Automatic Connection

Once the receiver is inserted, the keyboard will automatically connect to your device.
No manual pairing or driver installation is required.

Step 5: Start Using the Keyboard

After the device detects the keyboard, it will be ready for use immediately.


B. Connecting via Bluetooth

Step 1: Turn ON the Keyboard

Turn on the keyboard using the power switch located on the upper back of the keyboard.

Step 2: Select Bluetooth Mode

Press Fn + 1 (BT1) or Fn + 2 (BT2).

The indicator light on the right side of the keyboard will glow according to the selected mode.

Step 3: Enter Pairing Mode

Press and hold Fn + 1 (BT1) or Fn + 2 (BT2) for 5–7 seconds.

The blue or green indicator light will start blinking rapidly, indicating that the keyboard has entered pairing mode.


Step 4: Enable Bluetooth on Your Device

For Windows

  1. Open Settings

  2. Go to Bluetooth & Devices

  3. Turn Bluetooth ON

  4. Click Add Device

  5. Select Bluetooth

  6. Choose Bubble BT1 / BT2

  7. Click Connect

For macOS

  1. Open System Settings

  2. Select Bluetooth

  3. Turn Bluetooth ON

  4. Locate Bubble BT1 / BT2

  5. Click Connect


Step 5: Connection Confirmation

Once the keyboard is connected:

  • The indicator light will stop blinking

  • The keyboard will respond normally while typing

  • The keyboard is ready to use


3. Power Saving Mode

To conserve battery power, the keyboard automatically enters sleep mode after a period of inactivity.

How to Wake the Keyboard

Press any key on the keyboard to wake it up.
The keyboard will reconnect automatically within a few seconds.


4. Troubleshooting Guide

Issue 1: Keyboard Not Working After Connecting USB Receiver

  • Ensure the USB receiver is properly inserted into the USB port.

  • Try connecting the receiver to another USB port.

  • Restart your computer or laptop.

  • Ensure the keyboard power switch is ON.


Issue 2: Keyboard Not Responding

  • Check that the batteries are correctly installed.

  • Replace the batteries if they are low or depleted.

  • Turn the keyboard OFF and then ON again.


Issue 3: Keyboard Stops Working After Some Time

This may happen if the keyboard enters power-saving mode.

Solution

Press any key on the keyboard to wake it from sleep mode.


Issue 4: Wireless Connection Not Stable

  • Ensure the keyboard is within the recommended wireless range (up to 10 meters).

  • Avoid placing the receiver near strong wireless interference sources.

  • Reinsert the USB receiver to re-establish the connection.


5. Maintenance and Care

To maintain the performance of the keyboard:

  • Clean the keyboard surface using a soft dry cloth.

  • Avoid exposing the keyboard to liquids or excessive moisture.

  • Remove the batteries if the keyboard will not be used for an extended period.

  • Store the keyboard in a dry and dust-free environment.


Still Facing Issues?

If the issue persists after performing all troubleshooting steps, please Click here raise a support request.

Our support team will assist you further.

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