Introduction
This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your KUIYN 4-in-1 Gaming Keyboard, Mouse, and Headset Combo. Please read this manual carefully before use to ensure optimal performance and longevity of your devices.
Setup Instructions
The KUIYN 4-in-1 Gaming Combo is designed for plug-and-play functionality across various operating systems.
1. Connecting the Keyboard
The keyboard is a wired device. Connect the USB cable from the keyboard to an available USB port on your computer. The system will automatically detect and install the necessary drivers.

Image: The KUIYN 60% ultra-compact gaming keyboard layout, featuring 61 keys for efficient use.
2. Connecting the Mouse
The mouse is a wired device. Connect the USB cable from the mouse to an available USB port on your computer. The system will automatically detect and install the necessary drivers.
3. Connecting the Headset
The headset is a wired device. It typically uses a 3.5mm audio jack for sound and a USB connection for RGB lighting. Connect the 3.5mm jack to your computer's audio output and the USB cable to an available USB port for power to the RGB lights.

Image: The gaming headset showing various connection options for multi-platform compatibility, including PS4/PS5, Xbox, PC/Laptop, Switch, and smart devices.
Operating Instructions
Keyboard Functions
The 60% compact keyboard utilizes the 'FN' key for accessing secondary functions of certain keys.
- FN + K: Switches between 3 types of streaming RGB backlight modes.
- FN + M: Switches between 8 types of monochromatic light modes.
- FN + I: Toggles the backlight on or off.
- FN + other keys: Accesses multimedia functions or other secondary key assignments (refer to keycap legends for specific functions).

Image: Various RGB lighting modes available on the KUIYN 60% gaming keyboard, demonstrating the visual effects.
Mouse Functions
The gaming mouse features adjustable DPI settings and programmable buttons.
- DPI Adjustment: Use the DPI buttons (usually located near the scroll wheel) to cycle through preset DPI levels: 800, 1200, 1600, and 2400 DPI.
- Honeycomb Design: The lightweight honeycomb shell enhances flexibility and heat dissipation for comfortable extended use.

Image: Illustration of the 4 adjustable DPI settings (800, 1200, 1600, 2400) for the KUIYN gaming mouse, suitable for different usage scenarios like work, design, home, and gaming.

Image: Detailed view of the KUIYN gaming mouse, highlighting its seven buttons: Left button, Scroll wheel, Right button, DPI-, DPI+, Forward button, and Back button. The image also notes its 90g lightweight design and suitability for gaming, working, and home use.
Headset Functions
- Audio: The 40mm magnetic neodymium drivers provide stereo surround sound.
- Microphone: Adjust the flexible microphone for clear communication.
- RGB Lighting: The headset features RGB gradient lights powered via USB, enhancing the gaming atmosphere.

Image: The KUIYN RGB backlit gaming headset, showcasing its vibrant gradient lighting effects.
Maintenance
Cleaning
- Keyboard: Use a soft, dry cloth to wipe the surface. For deeper cleaning, use compressed air to remove dust and debris from between keycaps. Avoid using harsh chemicals or abrasive materials.
- Mouse: Wipe the surface with a soft, slightly damp cloth. Ensure no liquid enters the internal components. Clean the optical sensor with a cotton swab if tracking issues occur.
- Headset: Clean ear cushions with a soft, dry cloth. Do not immerse the headset in water.
Storage
Store the devices in a cool, dry place away from direct sunlight and extreme temperatures. Avoid placing heavy objects on top of the devices.
Troubleshooting
Keyboard Issues
- Keyboard not responding: Ensure the USB cable is securely connected to the computer. Try a different USB port. Restart your computer.
- Keys not working: Check for physical obstructions under the keycap. Clean the keyboard.
- RGB lights not working: Ensure the keyboard is properly connected. Use FN + I to toggle the backlight.
Mouse Issues
- Mouse not responding: Ensure the USB cable is securely connected. Try a different USB port.
- Inaccurate tracking: Clean the optical sensor. Ensure the mousepad surface is clean and suitable for optical mice.
Headset Issues
- No audio: Check if the 3.5mm audio jack is fully inserted into the correct port. Verify audio settings on your computer.
- Microphone not working: Ensure the microphone is not muted. Check microphone settings in your operating system.
- RGB lights not working: Ensure the USB cable for the headset is connected to a powered USB port.
Specifications
| Feature | Description |
|---|---|
| Brand | KUIYN |
| Model | 4-in-1 Black (with Headset) |
| Connectivity | Wired |
| Compatible Devices | Personal Computer (Windows, macOS, Linux) |
| Keyboard Type | 60% Compact Gaming Keyboard, 61 keys, Anti-Ghosting, QWERTY Layout |
| Keyboard Backlight | RGB (11 effects: 3 streaming, 8 monochromatic) |
| Mouse Type | Optical Gaming Mouse with Lightweight Honeycomb Shell |
| Mouse DPI | Adjustable (800/1200/1600/2400 DPI) |
| Headset Type | Wired Gaming Headset with RGB Backlight |
| Headset Audio | Stereo Surround Sound (40mm drivers) |
| Item Weight | 1.25 Kilograms (total package) |
Warranty Information
Please refer to the retailer's return policy for information regarding product warranty and returns. Typically, a 30-day return/replacement policy is offered for manufacturing defects.
Customer Support
For further assistance or technical support, please contact the seller or refer to the KUIYN brand store on the platform where the product was purchased. You can often find support contact information on the product listing page or within your order details.