Portronics Bubble Wireless Keyboard – 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 side of the keyboard.

Step 2: Insert the USB Receiver

Locate the USB receiver stored at the back of the keyboard.

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

After inserting the USB receiver, the keyboard will automatically connect to your device.

No manual pairing or driver installation is required.

Step 5: Start Using the Keyboard

Once 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 side of the keyboard.

Step 2: Select Bluetooth Mode

Press Fn + 1 (BT1) or Fn + 2 (BT2) to choose the Bluetooth channel.

The indicator light on 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 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 from the device list

7. Click Connect

For macOS

1. Open System Settings

2. Select Bluetooth

3. Turn Bluetooth ON

4. Locate Bubble BT1 / BT2 in the device list

5. Click Connect

Step 5: Connection Confirmation

Once the keyboard is successfully connected:

• The indicator light will stop blinking

• The keyboard will respond normally when typing

• The keyboard is ready for use