1. Product Overview
The Redragon K628 PRO is a compact 75% layout mechanical gaming keyboard featuring 78 keys, hot-swappable switches, and versatile 3-mode connectivity (USB-C wired, Bluetooth, and 2.4GHz wireless). It includes vibrant RGB backlighting and is designed for both gaming and productivity.
Figure 1: Redragon K628 PRO 75% Gaming Keyboard.
Figure 2: Key features of the Redragon K628 PRO: 75% Compact Layout, Fully Hot-Swap & Function, and 3-Mode Connectivity (BT, 2.4GHz, & Wired).
2. Package Contents
Ensure all items are present in the package:
- Redragon K628 PRO Gaming Keyboard
- USB-C Cable
- Keycap Puller
- Switch Puller
- Spare Switches (Red Switches)
- User Manual (this document)
3. Setup and Connection
3.1 Initial Charging
Before first use, it is recommended to fully charge the keyboard. Connect the provided USB-C cable to the keyboard's USB-C port and the other end to a powered USB port on your computer or a USB wall adapter. The keyboard has a built-in 1600mAh battery.
Figure 3: The keyboard features a 1600mAh battery, providing approximately 30 hours with RGB backlight on and 120 hours with RGB backlight off.
3.2 Connection Modes
The Redragon K628 PRO supports three connection modes: USB-C wired, 2.4GHz wireless, and Bluetooth.
Figure 4: The keyboard offers versatile connectivity options including Bluetooth, 2.4G wireless, and Type-C wired.
3.2.1 USB-C Wired Connection
- Ensure the switch on the back of the keyboard is set to the 'OFF' position.
- Connect the provided USB-C cable to the keyboard and your computer's USB port.
- The keyboard will be automatically recognized and ready for use.
3.2.2 2.4GHz Wireless Connection
- Locate the 2.4G wireless dongle, usually stored in a compartment on the underside of the keyboard.
- Plug the 2.4G dongle into an available USB port on your computer.
- Set the switch on the back of the keyboard to the '2.4G' position.
- The keyboard should connect automatically. If not, press Fn + 4 to initiate pairing.
3.2.3 Bluetooth Connection
The keyboard supports up to three Bluetooth devices (BT1, BT2, BT3).
- Set the switch on the back of the keyboard to the 'BT' position.
- To enter pairing mode for a specific Bluetooth channel, press and hold Fn + 1 (for BT1), Fn + 2 (for BT2), or Fn + 3 (for BT3) until the corresponding key's backlight flashes rapidly.
- On your device (PC, laptop, tablet, smartphone), search for Bluetooth devices and select "Redragon K628 PRO" from the list.
- Once connected, the backlight will stop flashing.
- To switch between paired Bluetooth devices, simply press Fn + 1, Fn + 2, or Fn + 3.
4. Operating Instructions
4.1 Key Layout and Functions
The K628 PRO features a 75% compact layout with 78 keys, including dedicated arrow keys and a numpad for full functionality in a smaller form factor.
Figure 5: The 78-key layout provides convenient arrow and number keys, along with FN combo keys for media and function controls.
4.2 Function Key Combinations (Fn)
Utilize the Fn key for various shortcuts and controls:
- Fn + F1~F12: Access F1-F12 functions.
- Fn + Tab: Reset keyboard settings.
- Fn + < / >: Adjust light speed.
- Fn + Up Arrow / Down Arrow: Adjust light brightness.
- Fn + Spacebar: Change light color.
- Fn + Alt: Change light mode.
- Fn + Win: Lock/Unlock Windows key.
- Fn + Q/W/E: Switch between Bluetooth devices (BT1, BT2, BT3).
- Fn + R: Switch to 2.4G wireless mode.
- Fn + T: Switch to wired mode.
- Fn + A/S/D/F/G/H/J/K/L: Media controls (Play/Pause, Stop, Previous, Next, Mute, Volume Down, Volume Up, etc. - specific icons are on keycaps).
Figure 6: The keyboard comes equipped with Redragon Mechanical Red Switches, known for their smooth, linear travel and quiet operation.
4.3 RGB Backlighting
The keyboard features vibrant RGB backlighting with multiple modes and customization options.
- Preset Modes: Up to 20 preset backlighting modes are available directly on the keyboard.
- Brightness Adjustment: Use Fn + Up Arrow / Down Arrow to adjust brightness.
- Speed Adjustment: Use Fn + < / > to adjust flowing speed of dynamic modes.
- Color Change: Use Fn + Spacebar to cycle through different colors.
- Music Sync Mode: A new music sync mode is available to synchronize lighting with audio.
4.4 Software Support
For advanced customization, including designing new modes, effects, macros, and key rebindings, download the professional software from the official Redragon website (redragonshop.com).
5. Maintenance
5.1 Hot-Swappable Switches
The Redragon K628 PRO features hot-swappable sockets, allowing you to easily change switches without soldering. It is compatible with most 3-pin or 5-pin mechanical switches on the market.
Figure 7: The keyboard's pioneering hot-swappable sockets support 3-pin and 5-pin switches, allowing for easy customization.
5.1.1 Replacing Switches
- Using the provided keycap puller, carefully remove the keycap from the switch you wish to replace.
- Insert the switch puller tool onto the switch, ensuring it grips the top and bottom clips of the switch.
- Gently but firmly pull the switch straight up to remove it from the PCB.
- Align the pins of the new switch with the holes on the PCB. Ensure the pins are straight to avoid bending.
- Press the new switch firmly into place until it clicks securely.
- Replace the keycap.
5.2 Cleaning the Keyboard
Regular cleaning helps maintain the keyboard's performance and appearance.
- Disconnect the keyboard from your computer before cleaning.
- Use a can of compressed air to blow away dust and debris from between the keycaps.
- For surface cleaning, wipe the keycaps and chassis with a soft, slightly damp cloth. Avoid excessive moisture.
- For deeper cleaning, keycaps can be removed using the keycap puller and cleaned separately with mild soap and water. Ensure they are completely dry before reattaching.
6. Troubleshooting
If you encounter issues with your Redragon K628 PRO keyboard, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Keyboard not responding (wired) | Loose cable connection, faulty USB port, driver issue. | Ensure USB-C cable is securely connected. Try a different USB port or cable. Restart your computer. |
| Keyboard not responding (wireless/Bluetooth) | Incorrect mode selected, low battery, pairing issue, interference. | Check the mode switch (2.4G/BT). Recharge the keyboard. Re-pair the device (see Section 3.2). Move closer to the receiver/device. Avoid strong interference sources. |
| Specific keys not working | Faulty switch, debris under keycap. | Remove keycap and clean. If issue persists, replace the switch (see Section 5.1.1). |
| RGB lighting not working or incorrect | Incorrect lighting mode, software glitch. | Cycle through lighting modes using Fn + Alt. Adjust brightness with Fn + Up/Down Arrow. Reset keyboard (Fn + Tab). Reinstall software if using custom profiles. |
| Software/firmware issues | Outdated firmware, corrupted software installation. | Visit the Redragon website for the latest software and firmware updates. Follow instructions for updating. Reinstall the software. |
Video 1: Official Redragon video demonstrating the K631 and K628 PRO keyboards, highlighting hot-swappable switches and multi-mode connectivity. This video provides a visual guide to some of the keyboard's key features and setup options.
7. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 15.35 x 6.1 x 2.17 inches |
| Item Weight | 1.76 pounds |
| Manufacturer | Redragon |
| ASIN | B09ZNQMWH6 |
| Country of Origin | China |
| Item Model Number | K628 PRO |
| Batteries | 1 Lithium Polymer battery required |
| Brand | Redragon |
| Compatible Devices | PC, Laptop, Tablet |
| Connectivity Technology | USB-C, Bluetooth, 2.4Ghz wireless |
| Keyboard Description | 78 keys 3-modes wireless hot-swap gaming keyboard |
| Recommended Uses | Gaming |
| Special Feature | Hot-Swappable, 75% Compact Layout with Dedicated Arrow Keys & Numpad, 3-Mode Connection |
| Color | Black & Red |
| Number of Keys | 78 |
| Keyboard Backlighting | RGB |
| Style | Modern |
| First Available Date | May 6, 2022 |
8. Warranty and Support
8.1 Warranty Information
Redragon products typically come with a limited warranty. Please refer to the official Redragon website or the warranty card included in your product packaging for specific warranty terms and conditions. Keep your proof of purchase for warranty claims.
8.2 Customer Support
For technical assistance, troubleshooting not covered in this manual, or warranty inquiries, please contact Redragon customer support through their official website: redragonshop.com.
8.3 Additional Resources
A PDF version of the user manual can be found at: User Manual (PDF).
