1. Introduction
Thank you for choosing the MageGee Captain87 JIS Wireless Mechanical Gaming Keyboard. This keyboard combines an industry-first JIS layout with rapid trigger technology and versatile wireless connectivity, making it ideal for both gaming and professional use. Its silent gasket structure and high-quality materials ensure a comfortable and durable typing experience. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to help you get the most out of your new keyboard.

Figure 1: MageGee Captain87 JIS Wireless Mechanical Gaming Keyboard.
2. Key Features
- JIS Layout with Rapid Trigger & Wireless Connectivity: Optimized for both gaming and business applications. Features a large 8000mAh battery, providing up to 144 hours of continuous use with the backlight off.
- Ultra-Quiet Typing with Gasket Structure: Designed with a gasket mount, incorporating silicone and sound-absorbing materials internally for a comfortable and quiet typing experience. Suitable for use in quiet environments like offices or during nighttime.
- Newly Developed Cylindrical Hall Effect Switches: These switches provide a smooth and comfortable typing feel, reducing fatigue during extended use for both gaming and work.
- Premium Materials for Superior Typing: Equipped with PBT keycaps that resist fingerprints and shine, and a robust CNC aluminum frame, offering both durability and a high-end aesthetic.
- Flexible Customization: Rapid Trigger actuation is adjustable in 0.1mm increments. Dedicated software allows for macro settings, key remapping, and even a one-click shortcut for ChatGPT.

Figure 2: Overview of the MageGee Captain87's core features.
3. Setup
3.1 Unboxing and Package Contents
Carefully remove all components from the packaging. Ensure all items are present and undamaged.

Figure 3: Package contents for the MageGee Captain87 keyboard.
The package should include:
- MageGee Captain87 Keyboard
- USB-C Cable
- User Manual
- Quick Start Guide
- Keycap Puller
- Spare Switches (4 pieces)
3.2 Connection Modes
The Captain87 keyboard supports three connection modes: Bluetooth, 2.4GHz wireless, and wired USB-C.
- Wired Connection: Connect the provided USB-C cable to the keyboard and your computer. The keyboard will automatically switch to wired mode.
- 2.4GHz Wireless Connection: Insert the 2.4GHz USB receiver (usually found in a compartment on the keyboard) into your computer's USB port. Switch the keyboard to 2.4GHz mode using the switch on the keyboard.
- Bluetooth Connection: Switch the keyboard to Bluetooth mode. On your computer or device, search for Bluetooth devices and select "MageGee Captain87" to pair.
3.3 Charging
Connect the keyboard to your computer or a USB power adapter using the USB-C cable to charge. The battery indicator (if available) will show charging status. A full charge provides up to 144 hours of use with backlighting off.
4. Operating Instructions
4.1 Mode Switching
Use the physical switch located on the keyboard to toggle between wired, 2.4GHz, and Bluetooth modes. Refer to the quick start guide for the exact location of the switch.
4.2 Rapid Trigger and Actuation Point Adjustment
The Rapid Trigger feature allows for ultra-fast key response. The actuation point can be adjusted in 0.1mm increments using the dedicated software. This enables precise control for gaming and efficient typing.
Video 1: Demonstration of Rapid Trigger and actuation point adjustment using software. (Note: The video features a V75 LITE model, but the functionality demonstrated is applicable to the Captain87's Rapid Trigger feature.)
4.3 Customization Software
Download the dedicated software from the MageGee official website to unlock full customization options. This includes:
- Adjusting Rapid Trigger sensitivity and actuation points for individual keys.
- Creating and assigning macros.
- Remapping key functions.
- Customizing RGB backlighting effects.
4.4 Backlight Control
The keyboard features customizable RGB backlighting. Use the dedicated software or specific key combinations (refer to the quick start guide) to change lighting modes, brightness, and colors.
5. Maintenance
5.1 Cleaning
To clean the keyboard, first disconnect it from your computer. Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution. For dust and debris between keycaps, use compressed air or a small brush. Avoid harsh chemicals or abrasive materials.
5.2 Battery Care
To prolong battery life, avoid fully discharging the keyboard frequently. Charge the keyboard when the battery level is low. If storing the keyboard for an extended period, charge it to about 50% before storage.
5.3 Switch and Keycap Replacement
The MageGee Captain87 features hot-swappable switches, allowing for easy replacement without soldering. Use the provided keycap puller to gently remove keycaps, then use a switch puller (not included, but often comes with spare switches) to remove switches. Ensure replacement switches are compatible.
6. Troubleshooting
6.1 Connectivity Issues
- Wired: Ensure the USB-C cable is securely connected to both the keyboard and the computer. Try a different USB port or cable.
- 2.4GHz: Ensure the USB receiver is properly inserted and the keyboard is switched to 2.4GHz mode. Try re-pairing by pressing the pairing button (if available) or restarting the keyboard.
- Bluetooth: Ensure Bluetooth is enabled on your device and the keyboard is in Bluetooth pairing mode. Remove previous pairings and try connecting again.
6.2 Keys Not Responding
- Check the connection mode.
- Ensure the keyboard battery is charged.
- If a specific key is not working, it might be a faulty switch. Consider replacing the switch if you have spares and a switch puller.
- Perform a factory reset (refer to the quick start guide for instructions).
6.3 Software Issues
If you experience issues with the customization software, ensure you have the latest version installed from the official MageGee website. Try reinstalling the software or contacting support.
Video 2: Demonstration of key calibration. (Note: This video features a different keyboard model, but the calibration process shown is a general troubleshooting step for magnetic switch keyboards.)
7. Specifications
| Feature | Detail |
|---|---|
| Brand | MageGee |
| Model | Captain87 |
| Keyboard Description | Gaming |
| Switch Type | Mechanical (Cylindrical Hall Effect) |
| Connectivity | Wireless (Bluetooth, 2.4GHz), Wired (USB-C) |
| Special Features | Rapid Trigger, Silent Gasket Structure, Aluminum Frame, PBT Keycaps |
| Color | Black (Japanese Rapid Trigger 8000mAh variant) |
| Included Components | USB-C Cable |
| Battery | 1 Non-standard Battery (included), 8000mAh |
| Lithium Battery Energy Content | 14.8 Watt-hours |
| Lithium Battery Packaging | Battery contained in equipment |
| Number of Lithium Ion Cells | 1 |
| Product Weight | 1.46 Kilograms |
| Package Dimensions | 40.4 x 17.1 x 6.8 cm |
8. Warranty and Support
MageGee products come with a standard manufacturer's warranty. For specific warranty details, duration, and terms, please refer to the warranty card included in your package or visit the official MageGee website. For technical support, troubleshooting assistance, or any product-related inquiries, please contact MageGee customer service through their official channels.





