1. Introduction
Thank you for choosing the K-snake KM300 Wired Keyboard and Mouse Set. This ergonomic and versatile set is designed for both office and gaming use, offering comfort and precision. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure you get the most out of your new peripheral set.

Image: K-snake KM300 Wired Keyboard and Mouse Set, showcasing its ergonomic design and three-color keycap layout.
2. Setup Instructions
The K-snake KM300 keyboard and mouse set features a simple plug-and-play setup. No additional drivers are typically required for basic functionality.
- Connect the Keyboard: Locate an available USB port on your computer (desktop or laptop). Insert the USB connector of the keyboard firmly into the USB port.
- Connect the Mouse: Locate another available USB port on your computer. Insert the USB connector of the mouse firmly into the USB port.
- System Recognition: Your operating system (Windows, macOS, Linux, etc.) should automatically detect and install the necessary generic drivers for the keyboard and mouse. This process usually takes a few seconds.
- Test Functionality: Once recognized, test the keyboard by typing in a text editor and test the mouse by moving the cursor and clicking.
3. Operating Instructions
3.1 Keyboard Usage
- Standard Typing: The keyboard features a standard 104-key layout for comfortable and efficient typing.
- Ergonomic Design: The engineering keycap layout is designed to fit the hand shape, reducing fatigue during prolonged use. The keyboard also includes a wide anti-slip hand rest for wrist support.
- Adjustable Angle: Utilize the 'Gold angle support' feet on the underside of the keyboard to adjust the typing angle for personalized comfort.
- Durable Keycaps: The keycaps feature UV coated characters for clear and durable legends, ensuring longevity.

Image: Keyboard features including ergonomic keycap layout, three-piece keycap design, and gold angle support.

Image: The wide anti-slip hand rest integrated into the keyboard design for enhanced comfort.
3.2 Mouse Usage
- Standard Functions: The mouse includes a left key, right-click key, and a scroll wheel for standard navigation.
- DPI Switching: The mouse features a dedicated DPI switch button, allowing for one-click adjustment of sensitivity. This is compatible with both office and gaming scenarios. Press the DPI button to cycle through available DPI settings.

Image: Mouse components including left key, roller, right-click, and the DPI switch button.

Image: Close-up of the mouse highlighting its 4 function keys and the one-click DPI switching capability.
4. Maintenance
- Cleaning: Use a soft, dry cloth to wipe down the keyboard and mouse. For stubborn dirt, a slightly damp cloth with mild soap can be used, ensuring no liquid enters the devices.
- Dust Removal: Use compressed air to remove dust and debris from between the keycaps and from the mouse sensor.
- Avoid Liquids: Do not immerse the keyboard or mouse in water or any other liquids.
- Storage: Store the devices in a cool, dry place away from direct sunlight and extreme temperatures when not in use for extended periods.
5. Troubleshooting
- Keyboard or Mouse Not Responding:
- Ensure the USB cables are securely plugged into the computer's USB ports.
- Try plugging the keyboard and mouse into different USB ports on your computer.
- Restart your computer.
- Test the keyboard and mouse on another computer to determine if the issue is with the devices or your computer's ports/drivers.
- Mouse Cursor Jumps or Moves Erratically:
- Clean the mouse sensor area with a soft cloth.
- Ensure you are using the mouse on a clean, non-reflective surface. A mouse pad is recommended.
- Try adjusting the DPI setting using the DPI switch button on the mouse.
- Keys Not Registering:
- Ensure no debris is lodged under the keycap. Use compressed air to clear any obstructions.
- If specific keys are consistently failing, the keyboard may require service.
6. Specifications

Image: Detailed specifications for the K-snake KM300 Keyboard and Mouse Set.
| Feature | Specification |
|---|---|
| Product Type | Wired Keyboard and Mouse Set |
| Interface | USB |
| Keyboard Dimensions (L x W x H) | 447 x 157 x 29 mm |
| Keyboard Weight | 600 ± 10g |
| Number of Keyboard Keys | 104 |
| Keyboard Key Life | 10 million times |
| Mouse Dimensions (L x W x H) | 119 x 61 x 38 mm |
| Mouse Weight | 93 ± 3g |
| Number of Mouse Buttons | 4 |
| Operating Voltage | ≤ 5V ± 0.5V |
| Operating Current | ≤ 100mA |
| System Support | Mostly compatible (Windows, macOS, Linux) |
| Type | Ergonomic |
| Battery Included | No |
7. User Tips
- For optimal comfort, experiment with the keyboard's adjustable feet to find your preferred typing angle.
- Utilize the mouse's DPI switch to quickly adjust sensitivity for different tasks, such as precise graphic design work or fast-paced gaming.
- Keep your desk surface clean to ensure smooth and accurate mouse tracking.
8. Warranty and Support
For any issues not covered in this manual, or for warranty claims, please contact the retailer or manufacturer's customer support. Keep your purchase receipt as proof of purchase.