Introduction
This manual provides comprehensive instructions for the Marvo K604 RGB Gaming Keyboard. It covers essential information for setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your device. Please read this manual thoroughly before using the keyboard.

Image: The Marvo K604 RGB Gaming Keyboard integrated into a typical gaming desk setup, showcasing its full layout and RGB lighting.
Setup Instructions
- Unpack the Keyboard: Carefully remove the Marvo K604 keyboard from its packaging. Ensure all components, including the USB cable, are present.
- Connect to Computer: Locate an available USB-A port on your computer. Insert the USB connector of the keyboard cable into the USB port.
- Driver Installation: The Marvo K604 is a plug-and-play device. Your operating system (Windows, macOS, Linux) should automatically detect and install the necessary drivers. No additional software installation is typically required.
- Placement: Place the keyboard on a stable, flat surface. Adjust the keyboard feet on the underside if you prefer an angled typing position.

Image: A close-up side view of the Marvo K604 keyboard keys, highlighting the ergonomic design and the visible RGB backlighting beneath the keycaps.
Operating Instructions
Basic Keyboard Functions
The Marvo K604 is a standard 104-key layout keyboard. All keys function as labeled. For specific operating system shortcuts, refer to your computer's documentation.
RGB Backlighting Control
The keyboard features customizable RGB backlighting. Use the following key combinations to adjust the lighting effects:
- Fn + Scroll Lock (SL): Cycles through various RGB lighting modes.
- Fn + Print Screen (PS): Adjusts the brightness of the backlighting.
- Fn + Pause Break (PB): Changes the speed of dynamic lighting effects.
- Fn + Arrow Keys (Up/Down): Adjusts brightness (alternative).
- Fn + Arrow Keys (Left/Right): Adjusts effect direction or color cycle speed.

Image: A clear top-down view of the Marvo K604 keyboard, displaying its full 104-key layout and the vibrant, multi-color RGB backlighting across all keys.
Maintenance
Proper maintenance ensures the longevity and performance of your Marvo K604 keyboard.
- Cleaning:
- Disconnect the keyboard from your computer before cleaning.
- Use a soft, dry cloth to wipe the surface of the keyboard.
- For dust and debris between keys, use compressed air.
- For stubborn stains, lightly dampen a cloth with water or a mild, non-abrasive cleaner. Avoid excessive moisture.
- Storage: Store the keyboard in a clean, dry environment away from extreme temperatures and direct sunlight.
- Avoid Spills: Do not expose the keyboard to liquids. In case of a spill, immediately disconnect the keyboard and allow it to dry completely before reconnecting.
Troubleshooting
If you encounter issues with your Marvo K604 keyboard, try the following solutions:
- Keyboard Not Responding:
- Ensure the USB cable is securely connected to both the keyboard and the computer.
- Try connecting the keyboard to a different USB port on your computer.
- Restart your computer.
- Test the keyboard on another computer to determine if the issue is with the keyboard or the computer's setup.
- RGB Lighting Not Working:
- Ensure the keyboard is properly connected and powered on.
- Try cycling through the RGB modes using Fn + Scroll Lock (SL).
- Adjust brightness using Fn + Print Screen (PS) or Fn + Arrow Keys (Up/Down).
- Keys Not Registering:
- Check for any physical obstructions under the keycap.
- Clean the keyboard as described in the Maintenance section.
- If only specific keys are affected, and cleaning does not resolve the issue, contact customer support.
Specifications
| Brand | MARVO |
| Model | K604 |
| Type | 104-key Gaming Keyboard |
| Connectivity | USB-A |
| Cable Length | 150 cm |
| Color | Black |
| Keyboard Backlighting | RGB |
| Compatible Devices | PC |
| Item Weight | 1.61 pounds |
| Package Dimensions | 17.99 x 6.18 x 1.81 inches |
| Special Features | Ergonomic, Lightweight, Portable |
| Included Components | USB Cable |
Warranty Information
Marvo products are manufactured to the highest quality standards. This product is covered by a limited warranty against manufacturing defects from the date of purchase. Please retain your proof of purchase for warranty claims. The warranty does not cover damage caused by misuse, accident, modification, or unauthorized repair.
For detailed warranty terms and conditions, please refer to the official Marvo website or contact customer support.
Customer Support
If you require further assistance or have questions not covered in this manual, please contact Marvo customer support:
- Website: www.marvo-tech.com (Note: This is a placeholder URL, please refer to your product packaging or official Marvo sources for the correct support website.)
- Email: support@marvo-tech.com (Note: This is a placeholder email, please refer to your product packaging or official Marvo sources for the correct support email.)
When contacting support, please have your product model (K604) and proof of purchase readily available.





