Redragon K668 RGB Gaming Keyboard User Manual

1. Introduction

The Redragon K668 RGB Gaming Keyboard is a full-size, wired mechanical keyboard designed for gaming and typing. It features 108 keys, including 4 dedicated hotkeys, and is equipped with hot-swappable Red Switches for easy customization and maintenance. The keyboard incorporates sound-absorbing foams to provide a clean and crisp typing sound. Its vibrant RGB backlighting offers multiple customizable modes, enhancing the aesthetic and user experience. The ergonomic design with adjustable feet ensures comfortable use over extended periods.

Figure 1: Redragon K668 RGB Gaming Keyboard, showcasing its full layout and RGB lighting.

2. Package Contents

Please verify that all items are present in the package:

• Redragon K668 RGB Gaming Keyboard
• USB Cable (USB-C to USB-A)
• Extra Set of Mixed Color Keycaps
• Keycap Puller Tool
• Switch Puller Tool
• Spare Hot-Swappable Switches

Figure 2: Included accessories: extra keycaps, keycap puller, and switch puller.

3. Setup Guide

1. Unpack the Keyboard: Carefully remove the keyboard and all accessories from the packaging.
2. Connect the USB Cable: Insert the USB-C end of the provided cable into the port on the keyboard.
3. Connect to Computer: Plug the USB-A end of the cable into an available USB port on your PC or laptop.
4. Driver Installation: The keyboard is plug-and-play. Your operating system should automatically detect and install the necessary drivers. No manual driver installation is typically required.
5. Adjust Ergonomics: Extend the adjustable feet on the underside of the keyboard to achieve a comfortable typing angle.

Figure 3: The Redragon K668 keyboard connected via its USB-C cable.

4. Operating Instructions

4.1 Key Features

• 108 Keys Layout: This full-size keyboard includes a numeric keypad and additional 4 shortcut keys for enhanced convenience and practicality. The 104 keys feature anti-ghosting, allowing for simultaneous key presses without conflict.


Figure 4: Overview of the 108-key layout, highlighting the additional hotkeys.

• Hot-Swappable Red Switches: The keyboard is equipped with hot-swappable sockets, compatible with most 3-pin or 5-pin mechanical switches available on the market. The pre-installed Red Switches are linear, offering a quiet and smooth key travel for easy registration of every click.


Figure 5: Close-up view of the hot-swappable switch sockets, showing a switch being removed.

• Sound Absorbing Foams: Integrated 3.5mm sound-absorbing foam layers contribute to a clear and crisp typing sound, minimizing unwanted noise.
• Ergonomic Design: The keyboard features 2-stage adjustable feet, allowing users to customize the typing angle for improved comfort and reduced wrist strain during prolonged use.

4.2 RGB Lighting Control

The Redragon K668 keyboard offers extensive RGB backlighting customization:

• Preset Modes: Access up to 19 preset backlighting modes directly from the keyboard. Refer to the keyboard's function key combinations (Fn + specific keys) for cycling through these modes.
• Brightness Adjustment: Adjust the brightness level of the RGB lighting to your preference using on-board controls.
• Flowing Speed Adjustment: Modify the speed of dynamic lighting effects directly from the keyboard.
• Music Sync Mode: A dedicated music sync mode allows the lighting to react to audio, creating a dynamic visual experience.

Figure 6: The keyboard displaying its immersive RGB backlighting.

4.3 Pro Software Support

For advanced customization, the Redragon K668 supports professional software:

• Download Software: Visit the official Redragon website (redragonshop.com) to download the dedicated software for the K668 model.
• Custom Modes & Effects: The software allows you to design and save your own unique lighting modes and effects.
• Macros: Create and assign macros with different keybindings or shortcuts for increased efficiency in work and gaming.
• Profile Management: Save multiple profiles for different applications or games, allowing quick switching between custom settings.

Figure 7: Screenshot of the Redragon software interface for keyboard customization.

5. Maintenance

• Cleaning: Regularly clean the keyboard with a soft, dry cloth. For deeper cleaning, use a can of compressed air to remove dust and debris from between the keycaps.
• Keycap Removal: Use the provided keycap puller tool to safely remove keycaps for cleaning or replacement. Gently pull straight up on the keycap.
• Switch Replacement: If a switch needs replacement, use the switch puller tool. Carefully grip the switch and pull it straight out. Align the new switch with the pins and push it firmly into the socket until it clicks into place. Ensure the keyboard is disconnected before performing switch replacements.
• Cable Care: Avoid sharp bends or kinks in the USB cable to prevent damage.

6. Troubleshooting

7. Specifications

8. Warranty and Support

For warranty information and technical support, please refer to the official Redragon website or contact their customer service directly. A detailed user manual in PDF format is also available for download:

Download User Manual (PDF)

For further assistance, visit the Redragon store on Amazon: Redragon Store