Introduction
Thank you for choosing the E-YOOSO CQ109 Wired RGB Gaming Keyboard and Mouse Combo. This manual provides detailed instructions for setting up, operating, and maintaining your new gaming peripherals. Please read this manual thoroughly before use to ensure optimal performance and longevity of your product.

Image: E-YOOSO CQ109 Wired RGB Gaming Keyboard and Mouse Combo, showcasing the full keyboard and mouse with RGB lighting.
Safety Information
To prevent damage and ensure safe operation, please observe the following:
- Keep the device away from water, moisture, and extreme temperatures.
- Do not attempt to disassemble or repair the device yourself. Refer to qualified personnel for service.
- Avoid dropping or subjecting the device to strong impacts.
- Clean the device with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
Package Contents
The E-YOOSO CQ109 combo includes:
- 1 x E-YOOSO CQ109 Wired RGB Gaming Keyboard
- 1 x E-YOOSO Wired RGB Gaming Mouse

Image: The E-YOOSO CQ109 keyboard and mouse combo displayed on a gaming mat, highlighting the 'ALL-IN-ONE PC GAMER SET' feature.
Setup
Connecting the Keyboard and Mouse
- Locate an available USB port on your computer, gaming console (PS4/PS5, Xbox), or laptop.
- Plug the USB connector of the E-YOOSO CQ109 Gaming Keyboard into the USB port.
- Plug the USB connector of the E-YOOSO Gaming Mouse into another available USB port.
- The devices are plug-and-play; no additional drivers are typically required. The RGB lighting will illuminate upon successful connection.
Compatibility
The E-YOOSO CQ109 combo is compatible with:
- Windows 11, Windows 10, Windows 8, Windows 7, Windows Vista, Windows XP
- Limited Mac OS keyboard support
- PS4, PS5, Xbox (compatibility may vary with specific console models and games)
Operating Instructions
Keyboard Features
- RGB Lighting Modes: The keyboard features 7 different RGB lighting modes and effects. Cycle through these modes by pressing the FN + Scroll Lock keys.
- Backlight Brightness: Adjust the backlight brightness through 4 levels using the FN + Page Up (increase) and FN + Page Down (decrease) keys.
- Adjustable Breathing Speed: Modify the breathing speed of certain lighting modes using FN + "-" (slower) and FN + "+" (faster) keys.
- Multimedia Keys: The keyboard includes 8 dedicated multimedia keys and 12 additional FN+ multimedia keys (total 112 keys) for quick access to media controls, email, and web browsing.
- Anti-Ghosting: Enjoy precise input with 26 conflict-free (N-Key Rollover) keys, ensuring all your commands are registered during intense gaming sessions.
- WIN Key Lock: To prevent accidental interruptions during gaming, press FN + WIN to lock or unlock the Windows key.
- WASD and Arrow Key Swap: For certain games, you can swap the functionality of the WASD keys with the arrow keys by pressing FN + W.
- Ergonomic Design: The keyboard is ergonomically designed with an integrated wrist rest for comfort during extended use.

Image: Keyboard showcasing various RGB backlight modes and effects.

Image: Close-up of keyboard highlighting multimedia keys and anti-ghosting features.
Mouse Features
- RGB Lighting: The mouse features 5 RGB lighting modes. These can be changed via a button on the bottom of the mouse.
- Adjustable DPI: Cycle through 4 DPI levels (1000/1600/2400/3200 DPI) using the DPI button located on top of the mouse, allowing for precise control in various applications and games.
- 6 Buttons: The mouse is equipped with 6 buttons, including left-click, right-click, scroll wheel, DPI button, and two side buttons (forward/backward) for enhanced functionality.
- High-Precision Sensor: The gaming-grade micro switches and high-precision sensor deliver accurate tracking and responsiveness.
- Ergonomic Design: The contoured shape of the mouse is designed to fit comfortably in your hand, reducing fatigue during long gaming sessions.

Image: E-YOOSO RGB mouse with an illustration of its adjustable DPI settings.
Official Product Videos
Video: Demonstrates the various RGB lighting effects and modes of the CQ109 Gaming Keyboard.
Video: Overview of the CQ109 Wired Gaming Keyboard and Mouse combo, highlighting key features and design.
Maintenance
- Cleaning: Regularly clean your keyboard and mouse to prevent dust and debris buildup. Use a soft, lint-free cloth. For stubborn dirt, slightly dampen the cloth with water or a mild cleaning solution. Ensure devices are unplugged before cleaning.
- Liquid Spills: The gaming keyboard is built to withstand average liquid spills. In case of a spill, immediately unplug the keyboard, turn it upside down to drain liquid, and allow it to dry completely before reconnecting.
- Cable Management: Avoid sharp bends or excessive pulling on the USB cables to prevent internal damage.
Troubleshooting
- Device Not Responding:
- Ensure the USB cables are securely plugged into the computer's USB ports.
- Try plugging the devices into different USB ports.
- Restart your computer or gaming console.
- RGB Lights Not Working:
- For the keyboard, ensure it is properly connected and try cycling through lighting modes using FN + Scroll Lock.
- For the mouse, check the button on the bottom to activate or change lighting modes.
- Keys or Mouse Buttons Not Working:
- Check for any physical obstructions or debris under the keys or buttons.
- Test the devices on another computer to rule out system-specific issues.
Specifications
| Feature | Specification |
|---|---|
| Model Number | CQ109 |
| Connectivity Technology | USB Wired |
| Keyboard Type | Membrane, Anti-ghosting (26 keys) |
| Keyboard Keys | 104 Keys + 8 Dedicated Multimedia Keys + 12 FN+ Multimedia Keys |
| Keyboard Backlight | RGB LED (7 modes, 4 brightness levels, adjustable breathing speed) |
| Mouse DPI | 1000/1600/2400/3200 DPI (Adjustable) |
| Mouse Buttons | 6 Buttons |
| Mouse Backlight | RGB LED (5 modes) |
| Product Dimensions (Keyboard) | 17.3 x 6.9 x 1.1 inches |
| Item Weight | 1.1 pounds |
| Compatible Devices | PC, Laptop, Mac (limited), PS4, PS5, Xbox |
Warranty and Support
E-YOOSO products are designed for quality and reliability. For warranty information, technical support, or customer service inquiries, please refer to the contact information provided with your product packaging or visit the official E-YOOSO website. Keep your purchase receipt for warranty claims.





