Introduction
This manual provides detailed instructions for the Havit KB858L RGB Backlit Mechanical Keyboard. It covers essential information regarding setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your device.

Image: The Havit KB858L mechanical keyboard showcasing its RGB backlighting and full layout.
Package Contents
- Havit KB858L Mechanical Keyboard
- User Manual (this document)
Setup
- Unpack the Keyboard: Carefully remove the Havit KB858L keyboard from its packaging.
- Connect to Computer: Plug the USB connector of the keyboard into an available USB port on your computer or laptop.
- Driver Installation: The keyboard is plug-and-play. Your operating system should automatically detect and install the necessary drivers. No additional software installation is typically required.
- Placement: Position the keyboard comfortably on your desk.

Image: Front view of the Havit KB858L mechanical keyboard, ready for connection.
Operating Instructions
1. RGB Backlight Control
The Havit KB858L features customizable RGB backlighting. Use the following key combinations to adjust the lighting effects:
- Fn + Scroll Lock: Cycle through various backlight modes and effects.
- Fn + Up/Down Arrow Keys: Adjust backlight brightness.
- Fn + Left/Right Arrow Keys: Adjust backlight speed or direction (depending on the mode).

Image: The Havit KB858L keyboard displaying its vibrant RGB backlighting in operation.
2. Multimedia Keys
The keyboard includes 12 dedicated multimedia keys for quick access to common functions. These are typically accessed by holding the Fn key and pressing the corresponding F1-F12 function keys.
| Key Combination | Function |
|---|---|
| Fn + F1 | Media Player |
| Fn + F2 | Volume Down |
| Fn + F3 | Volume Up |
| Fn + F4 | Mute |
| Fn + F5 | Stop |
| Fn + F6 | Previous Track |
| Fn + F7 | Play/Pause |
| Fn + F8 | Next Track |
| Fn + F9 | |
| Fn + F10 | Web Browser |
| Fn + F11 | My Computer |
| Fn + F12 | Calculator |

Image: Close-up view of the function keys on the Havit KB858L, indicating multimedia shortcuts.
3. Anti-Ghosting Keys
The Havit KB858L features 26 anti-ghosting keys. This technology ensures that multiple key presses are registered simultaneously and accurately, preventing input errors during fast-paced typing or gaming sessions.
4. Mechanical Blue Switches
This keyboard is equipped with professional mechanical Blue switches. These switches are known for their distinct tactile bump and audible click sound, providing clear feedback with each keypress. This design is often preferred by typists and gamers who value precise and responsive input.
Maintenance
Proper maintenance helps extend the life of your keyboard.
- Cleaning: Regularly clean the keyboard with a soft, dry cloth. For deeper cleaning, use compressed air to remove dust and debris from between the keycaps.
- Spills: In case of liquid spills, immediately disconnect the keyboard from your computer. Turn it upside down to drain excess liquid and allow it to dry completely before reconnecting. Do not use a hairdryer as excessive heat can damage components.
- Storage: When not in use for extended periods, store the keyboard in a dry, dust-free environment.
Troubleshooting
If you encounter issues with your Havit KB858L keyboard, refer to the following common solutions:
- Keyboard Not Responding:
- Ensure the USB cable is securely plugged into both the keyboard and the computer.
- Try plugging the keyboard into a different USB port.
- Restart your computer.
- Test the keyboard on another computer to determine if the issue is with the keyboard or the computer's port/drivers.
- Backlight Not Working or Incorrect:
- Ensure the backlight is not turned off (check Fn + Scroll Lock or brightness keys).
- Cycle through different backlight modes to see if the issue persists across all modes.
- Keys Not Registering:
- Check for any physical obstructions under the keycap.
- Clean the affected key area with compressed air.
Specifications
| Feature | Detail |
|---|---|
| Brand | havit |
| Model Number | KB858L |
| Keyboard Type | Mechanical |
| Switch Type | Blue Switches (Tactile and Clicky) |
| Backlight | RGB Backlit |
| Anti-Ghosting | 26 Keys |
| Multimedia Keys | 12 (Fn + F1-F12) |
| Connectivity | USB |
| Compatible Devices | Laptop, Personal Computer |
| Color | Black |
| Material | Mixed Materials |
| Item Dimensions (L x W x H) | 44.3L x 13.1W x 3.4H centimeters |
| Manufacturer | XADITON |
| Country of Origin | China |
Warranty Information
The Havit KB858L Mechanical Keyboard typically comes with a standard limited warranty. Please refer to the warranty card included with your product packaging or visit the official Havit website for specific warranty terms and conditions, including duration and coverage details.
Extended warranty options may be available from third-party providers, such as the 1-Year or 2-Year Extended Warranty by Boxi mentioned during purchase. These are separate from the manufacturer's warranty.
Support
For further assistance, technical support, or to inquire about replacement parts, please visit the official Havit website or contact their customer service department. Contact information can usually be found on the product packaging or the manufacturer's website.
Official Product Videos
No official product videos from the seller were provided for this model in the available data.





