KOORUI BK104

KOORUI BK104 2.4G Wireless Keyboard and Mouse Combo User Manual

Model: BK104

1. Introduction

This manual provides essential instructions for the setup, operation, and maintenance of your KOORUI BK104 2.4G Wireless Keyboard and Mouse Combo. Please read this manual thoroughly before use to ensure optimal performance and longevity of your device.

2. Package Contents

  • KOORUI Wireless Keyboard
  • KOORUI Wireless Mouse
  • USB 2.4G Receiver
  • User Manual

Note: AAA battery for keyboard and AA battery for mouse are not included.

3. Setup Guide

  1. Locate the USB Receiver: The 2.4G USB receiver is conveniently stored in the battery compartment on the underside of the mouse. Slide open the mouse's back cover to access it.
  2. Install Batteries:
    • For the keyboard: Insert one (1) AAA battery into the keyboard's battery compartment, ensuring correct polarity.
    • For the mouse: Insert one (1) AA battery into the mouse's battery compartment, ensuring correct polarity.
  3. Power On Devices: Turn on the power switches for both the keyboard and the mouse. The power switch for the keyboard is located on the top right edge, and for the mouse, it is on the underside.
  4. Connect the Receiver: Plug the USB 2.4G receiver into an available USB port on your computer (Laptop, PC, Gaming Console).
  5. Automatic Connection: The keyboard and mouse should automatically connect to your computer. No additional drivers or software are typically required for Windows, macOS, or Linux systems.
KOORUI Wireless Keyboard and Mouse Combo with USB receiver
Image: KOORUI Wireless Keyboard and Mouse Combo with the USB receiver. This image illustrates the complete product set, including the full-size keyboard, ergonomic mouse, and the compact USB receiver, ready for connection.
Diagram showing battery installation and USB receiver location
Image: Detailed diagram showing the ON/OFF switch, NUM/CAPS/POWER indicators on the keyboard, and the battery compartments for AAA (keyboard) and AA (mouse) batteries. It also highlights the storage location of the 2-in-1 USB receiver within the mouse.

4. Operating Instructions

4.1 General Use

The KOORUI BK104 combo provides a reliable 2.4 GHz wireless connection up to 10 meters (33 feet). The full-size keyboard features a standard US layout with a numeric keypad, offering a comfortable and efficient typing experience. The keys are designed for quiet operation, minimizing typing noise.

Laptop setup with KOORUI wireless keyboard and mouse
Image: A laptop setup featuring the KOORUI wireless keyboard and mouse, demonstrating a tidy and comfortable workspace due to the 2-in-1 wireless connection, avoiding cable tangling.

4.2 Ergonomic Design

The keyboard is designed with an 8-degree tilt angle, which can be adjusted using the foldable feet on the underside, promoting a more natural and comfortable typing posture. The mouse features an ergonomic shape that fits comfortably in hand for extended use.

Hands on KOORUI keyboard showing ergonomic tilt
Image: A user's hands positioned on the KOORUI keyboard, illustrating its ergonomic design. An inset shows the 8-degree tilt provided by the keyboard's adjustable feet, enhancing comfort and efficiency.

4.3 Multimedia and Shortcut Keys (Windows System Only)

The keyboard includes 5 multimedia keys and 12 shortcut functions to enhance productivity and control media playback. These functions are accessed by pressing the Fn key in combination with the corresponding F-keys (F1-F12) or dedicated multimedia keys.

Keyboard Shortcut Functions
Key CombinationFunction
Fn + F1Audio Activate
Fn + F2Volume Down
Fn + F3Volume Up
Fn + F4Mute
Fn + F5Previous Track
Fn + F6Next Track
Fn + F7Play/Pause
Fn + F8Stop
Fn + F9Start Page (Web Browser Home)
Fn + F10Email
Fn + F11My Computer
Fn + F12Favorites
Dedicated KeyCalculator
Dedicated KeyWeb Search
Dedicated KeyRefresh
Dedicated KeyDormancy (Sleep Mode)
Dedicated KeySwitch (Application Switcher)
KOORUI keyboard with multimedia and shortcut keys highlighted
Image: The KOORUI keyboard displaying its 5 multimedia keys and 12 shortcut functions, with a visual guide to their respective actions. These functions are applicable only to Windows operating systems.

4.4 Automatic Power Saving

Both the keyboard and mouse are equipped with an auto-sleep mode function to conserve battery life. After a period of inactivity, the devices will enter sleep mode. To resume use, simply press any key on the keyboard or double-click any button on the mouse.

Automatic power saving feature of KOORUI keyboard and mouse
Image: Illustration of the automatic power-saving feature. It shows that pressing any key on the keyboard or double-clicking any button on the mouse will wake the devices from sleep mode.

4.5 Mouse DPI Adjustment

The mouse offers adjustable DPI (Dots Per Inch) settings to control cursor sensitivity. You can cycle through 800, 1200, and 1600 DPI settings by pressing the DPI button located on the top of the mouse, behind the scroll wheel. This allows you to customize the mouse's responsiveness to your preference.

5. Maintenance

  • Cleaning: The keyboard features a waterproof design, offering protection against accidental spills. For general cleaning, use a soft, damp cloth. The flat key design makes it easy to clean between keys. Avoid using harsh chemicals or abrasive materials.
  • Battery Replacement: Replace batteries when performance degrades. Use one AAA battery for the keyboard and one AA battery for the mouse. Ensure correct polarity during installation.
  • Storage: When not in use for extended periods, turn off both the keyboard and mouse to conserve battery life. Store the USB receiver inside the mouse's battery compartment to prevent loss.

6. Troubleshooting

  • Device Not Responding:
    • Ensure both the keyboard and mouse are powered on.
    • Check battery levels and replace if necessary.
    • Ensure the USB receiver is securely plugged into a working USB port on your computer. Try a different USB port.
    • Move the keyboard and mouse closer to the USB receiver to rule out range issues.
    • Restart your computer.
  • Lagging or Intermittent Connection:
    • Ensure there are no large metallic objects or other wireless devices (e.g., Wi-Fi routers, cordless phones) interfering with the 2.4G signal.
    • Move the USB receiver to a different USB port, preferably one closer to the devices or on the front of your computer.
  • Keyboard Keys Not Working:
    • Check if the keyboard is powered on and has sufficient battery.
    • If only specific keys are not working, gently clean around the keys to remove any debris.
  • Mouse Cursor Jumps or is Inaccurate:
    • Clean the optical sensor on the underside of the mouse.
    • Ensure you are using the mouse on a suitable surface (e.g., a mouse pad).
    • Adjust the DPI setting using the DPI button on the mouse.

7. Specifications

FeatureDetail
Model NumberBK104
BrandKOORUI
ColorBlack
Connectivity Technology2.4 GHz Radio Frequency (USB Receiver)
Wireless RangeUp to 10 meters (33 feet)
Keyboard Dimensions (L x W x H)17.32 x 5.91 x 0.98 inches (44 x 15 x 2.5 cm)
Item Weight1.59 pounds (0.72 kg)
Keyboard Battery1 x AAA battery (not included)
Mouse Battery1 x AA battery (not included)
Mouse DPI Settings800 / 1200 / 1600 DPI
Special FeaturesWaterproof design, Ergonomic 8-degree tilt, Wrist Rest, Silent keys, Auto power saving
Compatible DevicesLaptop, Personal Computer, Gaming Console (Windows, macOS, Linux)

8. Warranty and Support

KOORUI provides a 3-Year Limited Warranty for this product. For technical assistance or warranty claims, please contact KOORUI customer support. Our support team is available to assist you with any issues or questions you may have regarding your wireless keyboard and mouse combo.

For further assistance, please refer to the contact information provided with your product packaging or visit the official KOORUI website.

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