BT21 Little Buddy Multi-Pairing Wireless Retro Keyboard User Manual

1. Introduction

This manual provides detailed instructions for the setup, operation, and maintenance of your BT21 Little Buddy Multi-Pairing Wireless Retro Keyboard. This keyboard is designed for versatile connectivity, supporting up to three devices simultaneously via 2.4G wireless and Bluetooth connections. Its membrane key design offers a comfortable typing experience, and it is compatible with various operating systems.

2. Package Contents

• BT21 Little Buddy Multi-Pairing Wireless Retro Keyboard
• USB Nano Receiver (for 2.4G connection)
• AAA Battery (pre-installed or included separately)
• User Manual (this document)
• BT21 Character Figures and Photo Card

3. Product Overview

The BT21 Little Buddy Wireless Retro Keyboard features a full 102-key layout with a dedicated numeric keypad. It includes a U-shaped holder groove at the top for smartphones or tablets and dedicated buttons for multi-pairing.

4. Setup Instructions

4.1. Power On

1. Locate the power switch on the underside or side of the keyboard.
2. Slide the switch to the 'ON' position. The power indicator light will briefly illuminate.

4.2. 2.4G Wireless Connection

1. Remove the USB nano receiver from its storage compartment, typically located on the underside of the keyboard or within the battery compartment.
2. Plug the USB nano receiver into an available USB port on your computer or laptop.
3. On the keyboard, press the dedicated 2.4G connection button (often labeled with a USB icon or '2.4G'). The keyboard should automatically connect to your device.

4.3. Bluetooth Connection (BT1 / BT2)

The keyboard supports connecting to two separate Bluetooth devices (BT1 and BT2).

1. On the keyboard, press and hold either the BT1 or BT2 button for 3 to 5 seconds until the corresponding LED indicator flashes rapidly. This indicates pairing mode.
2. On your device (computer, tablet, smartphone), navigate to the Bluetooth settings.
3. Enable Bluetooth and search for available devices.
4. Select "BT21 KEYBOARD" from the list of found devices to complete the pairing process. The LED indicator on the keyboard will stop flashing once connected.
5. Repeat these steps for the other Bluetooth channel (BT1 or BT2) to connect a second device.

5. Operating Instructions

5.1. Switching Between Connected Devices

To switch between your connected devices, simply press the corresponding connection button:

• Press the 2.4G button to connect to the device paired via the USB receiver.
• Press the BT1 button to connect to the first Bluetooth-paired device.
• Press the BT2 button to connect to the second Bluetooth-paired device.

5.2. OS Compatibility

The keyboard is designed for broad compatibility with various operating systems. It supports seamless switching between different OS environments with a single key press, ensuring functionality across Windows, macOS, Android, and iOS devices.

5.3. Language Input (English/Korean)

This keyboard supports both English and Korean input. To switch between languages, use your device's operating system settings or the designated language switch key on the keyboard, if available (refer to your device's OS manual for specific instructions).

5.4. Photo Card and Figure Holder

The keyboard includes a dedicated slot and space for displaying BT21 character figures and photo cards. This feature allows for personalization of your workspace.

6. Maintenance

6.1. Battery Replacement

The keyboard uses one AAA battery. When the battery is low, the indicator light may flash or the keyboard may become unresponsive. To replace the battery:

1. Turn off the keyboard using the power switch.
2. Locate the battery compartment on the underside of the keyboard.
3. Open the compartment cover.
4. Remove the old AAA battery and insert a new one, ensuring correct polarity (+/-).
5. Close the battery compartment cover.
6. Turn the keyboard back on.

6.2. Cleaning

To clean your keyboard:

• Ensure the keyboard is turned off.
• Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution.
• Wipe the keycaps and surface gently. Avoid excessive moisture.
• For debris between keys, use compressed air.
• Do not use harsh chemicals or abrasive materials.

7. Troubleshooting

• Keyboard not responding:
  Check if the keyboard is powered on. Ensure the battery is not depleted and is inserted correctly. Verify that the correct connection mode (2.4G, BT1, or BT2) is selected. For 2.4G, ensure the USB receiver is securely plugged in. For Bluetooth, check if the device's Bluetooth is enabled and the keyboard is paired.
• Connection issues:
  Move the keyboard closer to your device to ensure it's within the 10-meter wireless range. Avoid sources of interference such as other wireless devices or large metal objects. Try re-pairing the Bluetooth connection or re-inserting the 2.4G USB receiver.
• Keys not typing correctly:
  Ensure the keyboard is clean and free of debris. If specific keys are not working, try cleaning around them with compressed air.
• Typing delay:
  This can sometimes occur due to interference or a weak connection. Try moving closer to your device or checking for other wireless devices that might be causing interference.

8. Specifications

9. Warranty and Support

This product comes with a standard manufacturer's warranty against defects in materials and workmanship. The warranty period typically covers 1 year from the date of purchase. Please retain your proof of purchase for warranty claims.

For technical support, troubleshooting assistance, or warranty inquiries, please contact the manufacturer or your retailer. Contact information can usually be found on the product packaging or the manufacturer's official website.

Please note that the warranty does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.