1. Product Overview
The VODOOL MK321-Pro is a versatile 3-key mini mechanical keyboard designed for various applications including gaming, multimedia control, and office tasks. It features three connectivity modes: USB wired, Bluetooth, and 2.4G wireless, offering flexibility across different devices and operating systems. The keyboard supports full key customization and macro definitions, allowing users to program complex actions to a single key.


2. Setup and Installation
2.1 Unboxing
Upon receiving your MK321-Pro, ensure all components are present:
- MK321-Pro Mini Keyboard
- USB Type-C Cable

2.2 Connectivity Options
The keyboard supports three connection modes:
- USB Wired: Connect the keyboard directly to your device using the provided USB Type-C cable. This mode is plug-and-play.
- Bluetooth: For wireless connection to Bluetooth-enabled devices.
- 2.4G Wireless: For wireless connection using a 2.4G receiver (if included with your specific model).

2.3 Customization Software
To customize key functions and macros, you need to download the dedicated software. This software is primarily based on the Windows operating system. Once settings are saved, the customized functions can be used across various systems without needing the software again.
- Download Software: Visit www.pcsensor.com to download the configuration software.
- Programming: Connect the keyboard via USB to a Windows PC, launch the software, and program your desired key functions (e.g., copy, paste, multimedia controls, game macros).
3. Operating Instructions
3.1 Basic Functions
The MK321-Pro can be programmed to perform a wide range of functions:
- Keyboard Functions: Assign standard key presses like save, copy, paste, switch programs.
- Mouse Functions: Configure left, middle, right clicks, and other mouse shortcuts.
- Multimedia Functions: Control media playback (play, pause, roll back, previous, next).
- Game Functions: Set up game-specific actions like 'up', 'down', 'left', 'right' or complex macros for gaming.
- Combo/Macro Functions: Create continuous click functions or complex sequences of actions with a single press.

3.2 Backlight Control
The keyboard features a MULTICOLOR (RGB) backlight. The backlight effects can be changed directly on the device or configured/turned off using the customization software.

4. Maintenance
To ensure the longevity and optimal performance of your MK321-Pro Mini Keyboard, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the surface of the keyboard. For stubborn dirt, slightly dampen the cloth with water or a mild cleaning solution. Avoid excessive moisture.
- Storage: Store the keyboard in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid Spills: Keep liquids away from the keyboard to prevent damage to internal components.
- Handle with Care: Avoid dropping or subjecting the keyboard to strong impacts.
5. Troubleshooting
If you encounter issues with your MK321-Pro Mini Keyboard, refer to the following common problems and solutions:
- Keyboard not responding (Wired):
- Ensure the USB Type-C cable is securely connected to both the keyboard and your device.
- Try connecting to a different USB port or a different device to rule out port or device issues.
- Keyboard not responding (Wireless - Bluetooth/2.4G):
- Ensure the keyboard is powered on and in the correct wireless mode (Bluetooth or 2.4G).
- For Bluetooth, ensure your device's Bluetooth is enabled and the keyboard is paired.
- For 2.4G, ensure the receiver is plugged in and the keyboard is within range.
- Check if the keyboard's battery is charged.
- Customized functions not working:
- Ensure you have saved the settings after programming using the customization software.
- If using on a non-Windows system, remember that programming must be done on a Windows PC first.
- Backlight not working or incorrect:
- Check if the backlight is turned off in the customization software.
- Ensure the keyboard has sufficient power.
6. Specifications
| Feature | Specification |
|---|---|
| Brand Name | VODOOL |
| Model | MK321-Pro |
| Keyboard Standard | Mini Keyboard (3 Keys) |
| Interface Type | USB, Bluetooth, 2.4Ghz Wireless |
| Operation Style | Mechanical |
| Backlight Type | MULTICOLOR (RGB) |
| Application | Desktop, Laptop, Tablet |
| Battery Included | Yes |
| Full Size Keyboard | No |
| Wrist Support | No |
| Language | English |
| Origin | Mainland China |
| Certification | CE |
| Package Length | 11 cm |
| Package Width | 10 cm |
| Package Height | 3 cm |
| Package Weight | 0.115 kg |
7. Warranty and Support
Your VODOOL MK321-Pro Mini Keyboard comes with certain assurances and support:
- Free Returns: Enjoy free returns within 90 days of purchase.
- Fast Delivery Guarantee: If delivery is delayed, you may be eligible for a $1.00 coupon code. Refunds are also available if the package is lost or items are damaged, or if there is no delivery within 60 days.
- Security & Privacy: Your personal details are protected and not shared with third parties without your consent.
For further assistance or inquiries, please refer to the seller's contact information or the platform's support channels.





