R87Pro Mechanical Keyboard

Royal Kludge R87Pro Mechanical Keyboard

The Royal Kludge R87Pro is an 88-key mechanical keyboard with three connection modes: USB wired, Bluetooth, and 2.4 GHz wireless. It features mechanical switches, adjustable keyboard backlighting, side lighting, a multifunction rotary knob, and rechargeable battery operation.

The keyboard supports three Bluetooth channels, allowing users to pair it with multiple compatible devices and switch between saved connections. Its 2.4 GHz wireless mode uses the supplied USB receiver, while wired operation uses a USB Type-C cable.

The R87Pro includes keyboard shortcuts for changing lighting effects, adjusting brightness and animation speed, switching between Windows and Mac layouts, checking battery level, and restoring factory settings. The keyboard also supports six-key and full-key rollover modes.

Additional configuration is available through compatible Royal Kludge driver software and VIA. The keyboard provides a firmware upgrade mode for supported maintenance and software procedures.

Product Overview

The R87Pro combines a compact mechanical keyboard layout with multiple connectivity options and customizable lighting.

Its 88-key arrangement includes function keys, navigation keys, directional arrows, and a rotary knob in the upper-right corner.

A physical connection switch allows users to change between wired, Bluetooth, and 2.4 GHz wireless operation. The keyboard also includes indicator lights for Caps Lock, Windows key lock, charging, and battery status.

Main Features

• 88-key layout: Compact mechanical keyboard with navigation and arrow keys.
• Tri-mode connectivity: USB wired, Bluetooth, and 2.4 GHz wireless.
• Three Bluetooth channels: Supports BT1, BT2, and BT3 connections.
• USB Type-C interface: Used for wired operation and charging.
• 2.4 GHz wireless receiver: Provides a USB dongle connection.
• Mechanical switches: Supports mechanical key operation.
• Monochrome and RGB backlight versions: Lighting type depends on the keyboard version.
• Adjustable backlighting: Controls brightness, effects, colors, and animation speed.
• Side lighting: Supports lighting adjustments and switching.
• Custom key backlighting: Three selectable custom lighting profiles.
• Multifunction rotary knob: Controls volume and mute.
• Battery level indicator: Displays remaining charge through illuminated number keys.
• Windows and Mac modes: Provides operating-system-specific keyboard shortcuts.
• Six-key and full-key rollover: Switchable using an Fn shortcut.
• Factory reset: Restores default keyboard settings.
• VIA support: Supports keyboard configuration through compatible software.
• Firmware upgrade mode: Provides two documented methods for entering DFU mode.

What’s Included in the Box

The product information section identifies five supplied items.

Parts and Components

The R87Pro includes mechanical keys, wireless connection controls, a rotary knob, and lighting indicators.

Rotary Knob

The multifunction knob is located at the upper-right corner of the keyboard.

It supports the following functions:

Indicator Light Strip

The indicator light strip is positioned near the navigation and arrow keys.

It provides visual information for:

• Caps Lock.
• Windows key lock.
• Charging status.
• Fully charged status.
• Low battery condition.

Connection Mode Switch

The physical connection switch provides three operating positions.

USB Type-C Port

The USB Type-C port supports direct connection to a computer and battery charging.

The manufacturer recommends using a 5V, 1A power supply for charging.

Wireless Receiver

The 2.4 GHz USB receiver connects to a computer through an available USB port.

A receiver storage location is identified on the keyboard.

Technical Specifications

Before First Use

Prepare the keyboard and select the required connection method.

Step 1: Check the Accessories

Identify the keyboard, USB Type-C cable, 2.4 GHz dongle, switch and keycap puller, and user manual.

Step 2: Locate the Connection Switch

Find the physical connection switch on the keyboard.

The switch controls wired, Bluetooth, and 2.4 GHz operation.

Step 3: Select a Connection Mode

Choose the method required for the computer or other compatible device:

• Wired mode for USB connection.
• B for Bluetooth.
• G for 2.4 GHz wireless.

Step 4: Connect the Keyboard

Use the USB cable, Bluetooth pairing procedure, or supplied wireless dongle according to the selected mode.

Step 5: Select the Operating System

Use the appropriate shortcut:

• Fn + A: Windows mode.
• Fn + S: Mac mode.

Step 6: Adjust Keyboard Settings

After connection, the keyboard’s Fn shortcuts can be used to adjust backlighting, volume, battery display, and other functions.

How to Connect the R87Pro Using USB

The R87Pro supports a direct wired connection through its USB Type-C port.

Wired Connection Instructions

1. Locate the keyboard’s connection mode switch.
2. Move the switch to the Wired Mode position.
3. Connect the USB Type-C end of the cable to the keyboard.
4. Connect the other end to an available USB port on the computer.
5. Use the keyboard through the wired connection.

Wired Mode Charging

The USB connection also provides charging power.

The manufacturer recommends a 5V, 1A power supply.

Important: Fast charging is not supported. The instructions warn that fast charging may damage the battery or prevent charging.

How to Connect the R87Pro Using Bluetooth

The keyboard supports three Bluetooth profiles:

• BT1.
• BT2.
• BT3.

These profiles can be used to pair and switch between different compatible devices.

Step 1: Select Bluetooth Mode

Move the physical connection switch to B.

Step 2: Choose a Bluetooth Channel

Use the appropriate shortcut.

A short press selects the corresponding Bluetooth channel.

Step 3: Enter Bluetooth Pairing Mode

Press and hold the selected shortcut:

• Fn + Q for BT1.
• Fn + W for BT2.
• Fn + E for BT3.

The long press activates pairing mode for the selected profile.

Step 4: Open Bluetooth Settings

Turn on Bluetooth on the computer, mobile phone, or other compatible device.

Open its Bluetooth device search function.

Step 5: Find the Keyboard

Look for the device named R87Pro in the available Bluetooth devices list.

Step 6: Complete Pairing

Select R87Pro to establish the Bluetooth connection.

After pairing, the keyboard can be used with the connected device.

How to Switch Between Bluetooth Devices

The R87Pro allows users to switch between three saved Bluetooth profiles.

Bluetooth Switching Shortcuts

Switching to an Existing Connection

1. Move the connection switch to B.
2. Briefly press the shortcut corresponding to the required Bluetooth profile.
3. Allow the keyboard to reconnect to the previously paired device.

Important: A device must first be paired with the selected Bluetooth profile before that profile can be used for reconnection.

How to Connect the R87Pro Using 2.4 GHz Wireless

The keyboard supports wireless operation using the supplied 2.4 GHz USB receiver.

Step 1: Locate the USB Receiver

Find the supplied 2.4 GHz dongle.

The keyboard includes a receiver storage location.

Step 2: Connect the Receiver

Insert the receiver into an available USB port on the computer.

Step 3: Select 2.4 GHz Mode

Move the connection switch to G.

Step 4: Select the Wireless Channel

Briefly press Fn + P to select the 2.4 GHz channel.

Step 5: Confirm the Connection

The P key provides a connection indicator.

The instructions state that if the P key flickers slowly, the keyboard has successfully linked to the computer.

Factory-Paired Receiver

The 2.4 GHz dongle and keyboard are paired at the factory.

The original receiver does not normally require pairing again.

How to Charge the R87Pro Keyboard

The keyboard contains a rechargeable battery and supports USB charging.

Charging Instructions

1. Locate the USB Type-C port.
2. Connect the Type-C cable to the keyboard.
3. Connect the other end to a suitable USB power source.
4. Use a recommended 5V, 1A supply.
5. Observe the charging indicator.

Charging Power Requirements

Recommended charging supply: 5V, 1A.

Warning: Fast charging is not supported. The manufacturer warns that fast charging may damage the battery or cause charging failure.

Battery Charging Indicator Lights

The R87Pro uses an indicator light strip to communicate charging and battery status.

Charging Status

During charging, the light strip beside the keyboard status indicators flashes blue three times.

The flashes occur at intervals of approximately 0.5 seconds.

The keyboard then displays its backlight effect.

Fully Charged Status

When the battery is fully charged, the indicator performs a green flashing sequence three times.

Each flash is separated by approximately 0.5 seconds.

The keyboard then returns to its backlight effect.

Low Battery Warning

When battery power is low:

• The keyboard backlight does not participate in normal lighting effects.
• A red indicator flashes every one second.
• The warning continues until the keyboard powers off.

How to Check the R87Pro Battery Level

The keyboard includes a battery-check function in Bluetooth and 2.4 GHz wireless modes.

Battery Check Shortcut

Press and hold Fn + Enter.

The number-key backlights illuminate to indicate the remaining battery level.

Battery Level Display

The number keys represent battery levels in increments of approximately 10%.

The final key in the sequence is 0, representing 100% when illuminated together with keys 1 through 9.

Checking Battery Power

1. Use Bluetooth or 2.4 GHz wireless mode.
2. Press and hold Fn + Enter.
3. Observe the illuminated number keys.
4. Identify the approximate remaining charge.

How to Use the Rotary Knob

The R87Pro includes a multifunction knob for controlling audio volume and mute.

Knob Controls

Increase Volume

Rotate the knob clockwise to increase the audio volume.

Decrease Volume

Rotate the knob counterclockwise to decrease the audio volume.

Mute Audio

Press the knob to activate the mute function.

RGB and Backlight Control

The R87Pro supports keyboard backlight adjustments through Fn shortcuts.

The manual identifies both monochrome and RGB backlight versions.

Backlight behavior depends on the keyboard version and selected connection mode.

Default Backlight Brightness

The instructions specify different default backlight behavior for wired and wireless operation.

Backlight Shortcut Table

Adjusting Backlight Brightness

Use:

• Fn + Up Arrow: Increase brightness.
• Fn + Down Arrow: Decrease brightness.

Adjusting Backlight Effect Speed

Use:

• Fn + Right Arrow: Increase lighting animation speed.
• Fn + Left Arrow: Decrease lighting animation speed.

Changing Backlight Effects

Press Fn + Scroll Lock to switch between supported backlight effects.

Changing Monochrome Backlight Settings

Press Fn + Home to switch the monochrome backlight setting.

Changing Side Lighting

Press Fn + Insert to switch the side light color or turn off the side lighting.

Turning All Backlighting On or Off

Press Fn + Backspace to switch the keyboard backlight and side lights on or off.

How to Set Custom Key Backlighting

The R87Pro supports three custom backlight configurations.

The custom backlight recording process uses Fn + 1, Fn + 2, or Fn + 3, together with Fn + Print Screen.

Custom Backlight Shortcuts

Step 1: Select a Custom Profile

Press one of the following:

• Fn + 1.
• Fn + 2.
• Fn + 3.

This selects the custom backlight configuration to be edited.

Step 2: Enter Recording Mode

Press Fn + Print Screen.

The keyboard enters custom backlight recording mode.

Step 3: Select the Keys

Press the keys that should be included in the custom backlight arrangement.

Repeat the process for additional keys.

Step 4: Save the Configuration

Press Fn + Print Screen again.

The custom backlight settings are saved, and recording mode closes.

Custom Backlight Procedure Summary

Windows and Mac System Modes

The keyboard provides separate Windows and Mac operating modes.

Switch to Windows Mode

Press Fn + A.

This selects the Windows keyboard system mode.

Switch to Mac Mode

Press Fn + S.

This selects the Mac keyboard system mode.

Windows Multimedia Shortcuts

When using Windows mode, the keyboard supports application and multimedia functions through Fn + F1–F12.

Windows Application Shortcuts

The first five function-key combinations provide access to:

• Computer.
• Browser.
• Mailbox.
• Calculator.
• Media player.

Windows Media Controls

Fn + F6 through Fn + F12 provide playback and audio controls.

These include stopping playback, selecting tracks, pausing or resuming playback, muting sound, and adjusting volume.

Mac Multimedia Shortcuts

The R87Pro also provides Mac-specific function-key shortcuts.

Adjusting Screen Brightness

Use:

• Fn + F1 to decrease screen brightness.
• Fn + F2 to increase screen brightness.

Adjusting Keyboard Backlight Brightness

Use:

• Fn + F5 to decrease keyboard backlight brightness.
• Fn + F6 to increase keyboard backlight brightness.

Controlling Media Playback

Fn + F7 through Fn + F12 provide track selection, playback, and volume controls.

Additional Keyboard Fn Shortcuts

The R87Pro includes several additional shortcuts for key locking, system selection, rollover settings, and factory reset.

How to Lock or Unlock the Windows Key

The keyboard includes a Windows key lock function.

Windows Key Lock Shortcut

Fn + Win

Press the shortcut to change the Windows key lock state.

The indicator light strip includes a Windows Lock indicator.

Six-Key and Full-Key Rollover

The R87Pro supports switching between six-key rollover and full-key rollover modes.

Rollover Shortcut

Fn + B

Press Fn + B to switch between:

• Six-key rollover.
• Full-key rollover.

This function changes the keyboard’s simultaneous key-input handling mode.

How to Restore R87Pro Factory Settings

The R87Pro includes a keyboard factory reset shortcut.

Factory Reset Shortcut

Fn + Spacebar

Factory Reset Instructions

1. Locate the Fn key.
2. Locate the Spacebar.
3. Press and hold Fn + Spacebar for three seconds.
4. Release the keys after the reset command has been activated.

This restores the keyboard to its factory settings.

VIA Driver Support

The R87Pro supports VIA-compatible keyboard configuration.

VIA Website

https://usevia.app

The manual identifies VIA support as part of the keyboard’s firmware and software configuration options.

Firmware Upgrade and DFU Mode

The keyboard provides two methods for entering DFU mode.

DFU stands for Device Firmware Upgrade.

This mode is intended for firmware maintenance and development functions.

Method 1: Hardware Switch Method

1. Locate the switch positioned beneath the Spacebar.
2. Press and hold the switch.
3. While holding the switch, connect the keyboard to the computer using the USB cable.

This activates DFU mode.

Method 2: Keyboard Shortcut Method

1. Connect the keyboard to the computer.
2. Press Fn + Right Shift + Esc together.

This activates the keyboard’s DFU mode.

DFU Shortcut Summary

DFU mode is intended for firmware upgrading and development purposes rather than ordinary keyboard operation.

Keyboard Safety Instructions

The manual provides several recommendations for safe and reliable keyboard use.

General Use

• Maintain proper posture while typing.
• Avoid excessive force when pressing the keys.
• Take regular breaks to reduce hand fatigue.
• Clean the keyboard regularly to remove dust and dirt.
• Keep the keyboard away from liquids.
• Avoid exposing the keyboard to extreme temperatures or humidity.
• Keep the keyboard in a suitable operating environment.

Battery Safety

The keyboard contains a rechargeable battery.

The manufacturer provides the following battery precautions:

• Do not expose the battery to excessive heat, including strong sunlight or fire.
• Do not replace the battery with an incorrect type.
• Do not dispose of the battery in fire or a hot oven.
• Do not mechanically crush or cut the battery.
• Do not leave the battery in an extremely high-temperature environment.
• Avoid exposing the battery to extremely low air pressure.

Warning: Incorrect battery handling may cause explosion or leakage of flammable liquid or gas.

Charging Safety

Use the recommended 5V, 1A charging power supply.

Do not use fast charging because the instructions warn that it may damage the battery or prevent charging.

Cleaning and Maintenance

The keyboard should be kept clean and protected from dust, liquids, and extreme environmental conditions.

Routine Cleaning

The manufacturer recommends cleaning the keyboard regularly to remove accumulated dust and dirt.

Maintenance Precautions

Troubleshooting Guide

The following troubleshooting guidance is based on the connection procedures, charging indicators, keyboard shortcuts, and reset functions described in the manual.

R87Pro Bluetooth Not Connecting

To enter Bluetooth pairing mode:

1. Move the connection switch to B.
2. Press and hold Fn + Q, W, or E for the required channel.
3. Enable Bluetooth on the computer or mobile device.
4. Search for R87Pro.
5. Select the keyboard from the available devices.

R87Pro Not Reconnecting to Bluetooth

After pairing:

1. Keep the switch in B mode.
2. Briefly press the shortcut for the required Bluetooth profile.
3. Allow the keyboard to reconnect.

R87Pro 2.4 GHz Wireless Not Working

Check that the USB receiver is connected to the computer.

Move the connection switch to G.

Press Fn + P to select the 2.4 GHz channel.

The original USB receiver is factory-paired with the keyboard.

R87Pro Not Charging

The instructions recommend a 5V, 1A charging supply.

Fast charging is not supported.

During normal charging, the indicator strip flashes blue three times before returning to the keyboard’s lighting effect.

R87Pro Battery Indicator Flashes Red

A red indicator flashing at one-second intervals identifies a low-battery condition.

Connect the keyboard to the recommended charging supply.

R87Pro Backlight Is Not Working

Use Fn + Backspace to turn the keyboard backlight and side lights on or off.

Brightness can also be increased with Fn + Up Arrow.

R87Pro Windows Key Is Locked

Press Fn + Win to change the Windows key lock setting.

The keyboard includes an indicator for Windows Lock status.

R87Pro Keyboard Layout Is Incorrect

Check the selected operating system mode.

Press Fn + A for Windows or Fn + S for Mac.

R87Pro Settings Need Resetting

Press and hold Fn + Spacebar for three seconds to restore factory settings.

Warranty Information

The R87Pro manual identifies a 12-month warranty.

The printed warranty statement describes the coverage as applying to non-human damage.

Regulatory and Compliance Information

The R87Pro includes FCC and Canadian ISED compliance statements.

FCC Compliance

The keyboard is identified as complying with Part 15 of the FCC Rules.

Operation is subject to two conditions:

• The device must not cause harmful interference.
• The device must accept received interference, including interference that may cause undesired operation.

The manual identifies the equipment as a Class B digital device under FCC Part 15.

Radio and Television Interference

If the keyboard causes harmful interference to radio or television reception, the manual identifies the following corrective measures:

1. Reorient or relocate the receiving antenna.
2. Increase the distance between the equipment and receiver.
3. Connect the affected equipment to an outlet on a different electrical circuit.
4. Consult the dealer or an experienced radio/TV technician.

Unauthorized Modifications

Changes or modifications not expressly approved by the responsible party may void the user’s authority to operate the equipment.

Canadian ISED Compliance

The keyboard includes licence-exempt transmitter/receiver components covered by Canadian ISED licence-exempt RSS requirements.

The manual also references Canadian Class B digital apparatus compliance and radio-frequency exposure requirements.

Manufacturing Standard

The keyboard identifies the executive standard:

GB/T 14081-2010

Country of Manufacture

The product is marked as made in China.

When to Contact Technical Support

Contact Royal Kludge for assistance with connection problems, keyboard operation, charging, software configuration, firmware functions, or other product-related questions.

For technical support, email support@rkgaming.com.

Frequently Asked Questions

How do I connect the Royal Kludge R87Pro keyboard using Bluetooth?

Move the connection switch to B. Press and hold Fn + Q, Fn + W, or Fn + E to activate pairing for BT1, BT2, or BT3. Open Bluetooth settings on the computer or mobile device, search for R87Pro, and select the keyboard to complete pairing.

How do I connect the R87Pro using 2.4 GHz wireless?

Insert the supplied 2.4 GHz USB receiver into the computer. Move the keyboard’s connection switch to G and briefly press Fn + P. The original receiver is factory-paired with the keyboard. A slowly flickering P key indicates a successful wireless connection.

How do I check the battery level on the R87Pro keyboard?

In Bluetooth or 2.4 GHz mode, press and hold Fn + Enter. The number-key backlights indicate the remaining battery level in approximately 10% increments. Key 1 represents 10%, while keys 1 through 0 illuminated together represent 100%.

How do I change the RGB lighting on the R87Pro?

Use Fn + Up Arrow or Down Arrow to adjust backlight brightness. Fn + Right Arrow or Left Arrow changes animation speed. Fn + Scroll Lock switches backlight effects, Fn + Home switches monochrome lighting, and Fn + Insert changes side lighting. Fn + Backspace turns the keyboard backlight and side lights on or off.

How do I customize the R87Pro keyboard backlight?

Press Fn + 1, Fn + 2, or Fn + 3 to select a custom backlight profile. Press Fn + Print Screen to enter recording mode, then press the keys that should receive lighting. Press Fn + Print Screen again to save and exit.

How do I switch the R87Pro between Windows and Mac?

Press Fn + A to select Windows mode or Fn + S to select Mac mode. Each operating system has its own multimedia function-key shortcuts.

How do I reset the R87Pro keyboard to factory settings?

Press and hold Fn + Spacebar for three seconds. This activates the factory reset function and restores the keyboard’s default settings.