UGREEN Mini Wireless Keyboard User Manual

Introduction

Thank you for choosing the UGREEN Mini Wireless Keyboard. This compact office keyboard offers versatile connectivity with both Bluetooth 5.3 and 2.4G, allowing seamless switching between up to three devices. Designed for comfort and efficiency, it is compatible with a wide range of operating systems including Windows, macOS, iOS, and Android. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance of your keyboard.

Image: UGREEN Mini Wireless Keyboard highlighting 78-key layout, scissor-switch base, ergonomic design, and mode switching.

Key Features

• One-Click Device Switching: Connects to three devices simultaneously via Bluetooth 5.3 and 2.4G. Easily switch between connected devices with a dedicated button.
• Ultralight & Thin Design: Compact 78-key layout saves desk space and is highly portable, ideal for travel. Offers a transmission range of up to 10 meters.
• Silent and Comfortable Typing: Features an X-scissor switch mechanism for low resistance, quick rebound, and reduced typing noise, providing a smooth and quiet typing experience.
• Ergonomic Design: Adjustable stand allows for 4° or 9° typing angles, reducing wrist fatigue during extended use.
• Durability & Power Efficiency: Designed for 10 million clicks. Includes an automatic sleep mode (Level 1 after 3 seconds, Level 2 after 30 minutes of inactivity) to conserve power. Requires two 1.5V AAA batteries (not included).
• Wide Compatibility: Supports Windows, macOS, iPadOS, Android, and other operating systems.

Setup

1. Battery Installation

1. Locate the battery compartment on the underside of the keyboard.
2. Open the compartment cover.
3. Insert two AAA batteries, ensuring correct polarity (+/-).
4. Close the battery compartment cover securely.

Note: Batteries are not included with the keyboard.

Image: The keyboard's underside, indicating the battery compartment and the storage slot for the 2.4G USB receiver.

2. Connecting to Devices

The keyboard supports connection to up to three devices. Use the dedicated channel buttons (BT1, BT2, 2.4G) to select the desired connection mode.

Image: Visual representation of the keyboard connected wirelessly to a desktop monitor, a smartphone, and a tablet, illustrating its multi-device capability.

2.1. 2.4G Wireless Connection

1. Take out the 2.4G USB-A receiver from its storage slot on the keyboard's underside.
2. Plug the receiver into an available USB-A port on your computer or device.
3. Press the 2.4G button on the keyboard to activate 2.4G mode. The keyboard will automatically connect.

2.2. Bluetooth Connection (BT1 / BT2)

1. Press and hold either the BT1 or BT2 button for 3-5 seconds until the indicator light flashes rapidly, indicating pairing mode.
2. On your device (e.g., computer, tablet, smartphone), go to Bluetooth settings.
3. Search for "UGREEN Keyboard" or a similar name in the list of available devices.
4. Select the keyboard to pair. Once connected, the indicator light will stop flashing.

Repeat these steps for the second Bluetooth channel (BT2) if you wish to connect another device via Bluetooth.

Operating Instructions

1. Switching Between Devices

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

• Press BT1 to switch to the first Bluetooth-connected device.
• Press BT2 to switch to the second Bluetooth-connected device.
• Press 2.4G to switch to the device connected via the USB receiver.

2. Function Keys (F1-F12)

The keyboard features a row of multimedia and shortcut keys. To use these functions, press the Fn key simultaneously with the desired F-key.

Image: Diagram illustrating the various multimedia and shortcut functions available via the F-keys.

3. Ergonomic Adjustment

The keyboard is equipped with an adjustable stand on its underside. You can choose between two typing angles:

• Closed Stand: Provides a 4° angle relative to the desk surface.
• Open Stand: Provides a 9° angle relative to the desk surface for enhanced comfort.

Image: The keyboard positioned at a 9-degree ergonomic tilt, designed to provide wrist comfort.

4. Automatic Sleep Mode

To conserve battery life, the keyboard enters sleep mode after periods of inactivity:

• Level 1 Sleep: After 3 seconds of inactivity.
• Level 2 Sleep: After 30 minutes of inactivity.

To reactivate the keyboard, simply press any key.

Maintenance

1. Cleaning the Keyboard

• Ensure the keyboard is turned off or disconnected from all devices before cleaning.
• Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution (e.g., isopropyl alcohol) to wipe the keycaps and surface.
• For dust and debris between keys, use compressed air or a small brush.
• Avoid using harsh chemicals, abrasive cleaners, or excessive moisture, as these can damage the keyboard.

2. Battery Replacement

When the keyboard's performance degrades or it fails to connect, it may be time to replace the batteries.

1. Turn off the keyboard.
2. Open the battery compartment on the underside.
3. Remove the old AAA batteries.
4. Insert two new AAA batteries, observing correct polarity.
5. Close the compartment cover.

Troubleshooting

Common Issues and Solutions:

• Keyboard not connecting via Bluetooth:
  • Ensure the keyboard has fresh batteries.
  • Make sure the keyboard is in pairing mode (indicator light flashing).
  • Check that Bluetooth is enabled on your device.
  • Forget the keyboard from your device's Bluetooth list and try pairing again.
  • Ensure the keyboard is within the 10-meter operating range.
• Keyboard not connecting via 2.4G:
  • Ensure the keyboard has fresh batteries.
  • Verify the 2.4G USB receiver is securely plugged into your device.
  • Try plugging the receiver into a different USB port.
  • Ensure the keyboard is in 2.4G mode.
• Keys not responding:
  • Check battery level and replace if necessary.
  • Ensure the keyboard is connected to the correct device channel.
  • Re-establish the connection (re-pair Bluetooth or re-plug 2.4G receiver).
  • Restart your connected device.
• Lag or delayed input:
  • Ensure the keyboard is close to your device (within 10 meters).
  • Minimize interference from other wireless devices.
  • Check battery level.

Specifications

Support

For further assistance, product inquiries, or technical support, please visit the official UGREEN website or contact UGREEN customer service through the platform where you purchased the product.

You can find more information and support resources at the UGREEN Brand Store.