Rii RK105

Rii RK105 Wired Backlit Keyboard and Mouse Combo

User Manual

1. Introduction

This manual provides instructions for the Rii RK105 Wired Backlit Keyboard and Mouse Combo. This product is designed for general office and home use, offering a comfortable and responsive input experience with customizable backlighting.

Rii RK105 Wired Backlit Keyboard and Mouse Combo

Image 1.1: The Rii RK105 Wired Backlit Keyboard and Mouse Combo. This image displays the full keyboard and mouse, both connected via USB cables, showcasing the blue backlighting.

2. Setup

The Rii RK105 keyboard and mouse combo is designed for plug-and-play functionality, requiring no additional drivers for basic operation.

2.1 Connecting the Devices

  1. Locate an available USB port on your computer.
  2. Plug the USB connector of the keyboard into the USB port.
  3. Plug the USB connector of the mouse into another available USB port.
  4. The operating system will automatically detect and install the necessary drivers. The devices are ready for use once detected.

2.2 System Compatibility

This combo is compatible with the following operating systems:

  • Windows 98/XP/7/8/10/Vista
  • Mac OS
  • Linux

3. Operating Instructions

3.1 Keyboard Backlight Control

The keyboard features three backlight colors (Cyan, Green, Blue) and adjustable brightness.

Keyboard backlight control key

Image 3.1: Close-up of the keyboard's backlight control key, indicated by a sun icon.

  • Fn + Light Key: Pressing the 'Fn' key simultaneously with the 'Light' key (usually located near the 'Scroll Lock' key) activates the breathing backlight mode.
  • Light Key (single press): Repeatedly pressing the 'Light' key cycles through the available single-color backlight modes (Cyan, Green, Blue).
  • Fn + Page Up / Page Down: Use 'Fn' + 'Page Up' to increase backlight brightness and 'Fn' + 'Page Down' to decrease it.
  • Light Key (three presses): To turn off the backlight, press the 'Light' key three times consecutively.
Keyboard displaying three backlight colors

Image 3.2: The keyboard illuminated in Cyan, Green, and Blue backlight colors, demonstrating the available options.

3.2 Multimedia Shortcut Keys

The keyboard includes 12 multimedia shortcut keys for quick access to various functions. These are activated by holding the 'Fn' key and pressing the corresponding 'F' key (F1-F12).

Keyboard multimedia function keys

Image 3.3: Close-up of the keyboard's function keys, highlighting the multimedia icons.

Key CombinationFunction
Fn + F1Media Player
Fn + F2Volume Down
Fn + F3Volume Up
Fn + F4Mute
Fn + F5Play/Stop
Fn + F6Previous Track
Fn + F7Play/Pause
Fn + F8Next Track
Fn + F9Email
Fn + F10Web Home
Fn + F11My Computer
Fn + F12Calculator

3.3 Mouse DPI Adjustment

The mouse features adjustable DPI (Dots Per Inch) settings to change cursor sensitivity. The available DPI settings are 800, 1200, and 1600 DPI.

Rii RK105 mouse with DPI button

Image 3.4: Close-up of the Rii RK105 mouse, showing the DPI adjustment button located behind the scroll wheel.

  • To change the DPI setting, press the DPI button located on the top of the mouse, usually behind the scroll wheel. Each press will cycle through the available DPI settings.
  • The mouse backlight may change color or pattern to indicate the current DPI setting.

4. Maintenance

Proper maintenance ensures the longevity and optimal performance of your Rii RK105 combo.

4.1 Cleaning

  • Keyboard: The keycaps are designed to be oil-resistant. For general cleaning, use a soft, dry cloth. For deeper cleaning, gently wipe with a slightly damp cloth (water only) and ensure the keyboard is completely dry before use. Avoid harsh chemicals or abrasive materials.
  • Mouse: Wipe the mouse surface with a soft, dry cloth. Use a cotton swab for cleaning around the scroll wheel and sensor area.
  • General: Disconnect both devices from the computer before cleaning.

4.2 Storage

When not in use for extended periods, store the keyboard and mouse in a cool, dry place away from direct sunlight and extreme temperatures.

5. Troubleshooting

If you encounter issues with your Rii RK105 combo, refer to the following common solutions:

ProblemSolution
Keyboard/Mouse not responding
  • Ensure USB cables are securely plugged into the computer's USB ports.
  • Try plugging the devices into different USB ports.
  • Restart your computer.
  • Test the devices on another computer to rule out a system-specific issue.
Keyboard backlight not working
  • Press the 'Light' key to cycle through backlight modes.
  • Press 'Fn' + 'Page Up' to increase brightness.
  • Ensure the backlight has not been turned off (press 'Light' key three times to toggle).
Mouse cursor movement is erratic or slow
  • Clean the mouse sensor area.
  • Ensure the mouse is used on a clean, non-reflective surface.
  • Adjust the DPI setting using the DPI button on the mouse.
Multimedia keys not functioning
  • Ensure you are holding the 'Fn' key while pressing the desired 'F' key.
  • Check your operating system's keyboard settings for any conflicts.

6. Specifications

Detailed technical specifications for the Rii RK105 Wired Backlit Keyboard and Mouse Combo.

Dimensions of Rii RK105 keyboard and mouse

Image 6.1: Diagram showing the dimensions of the Rii RK105 keyboard and mouse.

FeatureDetail
ModelRK105
ConnectivityWired USB
Keyboard LayoutStandard UK Layout, 105 Keys
Keyboard Dimensions (L x W x H)439 x 132 x 30 mm (17.12 x 5.39 x 1.18 inches)
Keyboard Cable Length1.4 meters
Keyboard Backlight ColorsCyan, Green, Blue (3 colors)
Mouse DPI Settings800 / 1200 / 1600 DPI
Mouse Dimensions (L x W x H)131 x 73 x 42 mm (5.15 x 2.87 x 1.65 inches)
Mouse Cable Length1.7 meters
MaterialHigh-quality ABS
Compatible Operating SystemsWindows 98/XP/7/8/10/Vista, Mac OS, Linux

7. Warranty and Support

Rii is committed to providing quality products and customer satisfaction.

7.1 After-Sales Service

If you encounter any problems during the use of your Rii RK105 keyboard and mouse combo, please contact the seller directly through Amazon Message for assistance. Rii provides 100% after-sales service to address any concerns you may have.

© 2026 Rii. All rights reserved.

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