Introduction
This manual provides detailed instructions for the MOFII SK-051BT Bluetooth 5.1 Numeric Keypad. Please read this guide thoroughly to ensure proper setup, operation, and maintenance of your device. This numeric keypad is designed for efficient data entry and is compatible with various operating systems.

Image: The MOFII SK-051BT Bluetooth Numeric Keypad shown next to a laptop, illustrating its compact design and wireless connectivity.
Setup
1. Battery Installation
The MOFII SK-051BT Numeric Keypad requires one AAA battery (not included) for operation. Ensure the battery is inserted with the correct polarity.
- Locate the battery compartment on the underside of the keypad.
- Slide open the battery cover.
- Insert one AAA battery, ensuring the positive (+) and negative (-) terminals align correctly with the markings inside the compartment.
- Close the battery cover securely.

Image: A view of the keypad's underside, showing the battery compartment open and an AAA battery being placed inside.
2. Bluetooth Pairing
Follow these steps to connect your numeric keypad via Bluetooth:
- Ensure the battery is correctly installed and the keypad is powered on.
- Press the Num Lock key and the Enter key simultaneously. The LED indicator light in the upper left corner of the keyboard will flash, indicating it has entered pairing mode.
- On your Bluetooth-enabled device (laptop, PC, etc.), open the Bluetooth settings and enable Bluetooth search.
- Locate and select "MOFII BT Keyboard" from the list of available devices.
- After successful connection, you can begin using the keypad.

Image: A visual guide demonstrating the steps for installing the AAA battery and initiating Bluetooth pairing by pressing Num Lock + Enter.
Operating Instructions
The MOFII SK-051BT Numeric Keypad features 19 keys designed for comfortable and efficient data entry. Its ergonomic design provides a comfortable angle of inclination to reduce wrist pressure.
- Num Lock: Activates or deactivates the numeric functions of the keys. When active, numbers and arithmetic operations are input. When inactive, keys may function as navigation keys (Home, End, Page Up, Page Down, Arrows).
- Backspace: Used for quick correction and deletion of characters.
- Quiet Click: The keys are designed to produce minimal noise, making it suitable for quiet work environments.

Image: A detailed view of the keypad, emphasizing the Num Lock, Backspace, and quiet keypress features.
Compatibility
The Bluetooth Numeric Keypad is compatible with a variety of laptops and desktops running Windows 2000, Windows XP, Windows ME, Vista, Windows 7/8, and above. It also supports connections to PCs and Smart TVs.
Maintenance
To ensure the longevity and optimal performance of your MOFII SK-051BT Numeric Keypad, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the surface of the keypad. For stubborn dirt, slightly dampen the cloth with water or a mild cleaning solution. Avoid excessive moisture.
- Storage: Store the keypad in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Replacement: Replace the AAA battery when the keypad's performance degrades or it stops responding.
- Avoid Liquids: Do not expose the keypad to liquids, as this can cause damage to internal components.
- Handle with Care: Avoid dropping or subjecting the keypad to strong impacts.
Troubleshooting
If you encounter issues with your MOFII SK-051BT Numeric Keypad, refer to the following common solutions:
Keypad Not Responding or Connecting
- Check Battery: Ensure the AAA battery has sufficient charge. If the battery is low or depleted, replace it with a new one.
- Re-pair Device: If the keypad is not connecting, try re-pairing it with your device. Press Num Lock + Enter to enter pairing mode, then search and connect from your device's Bluetooth settings.
- Device Bluetooth: Verify that Bluetooth is enabled on your computer or device and that it is discoverable.
- Interference: Move the keypad closer to your device and away from other wireless devices that might cause interference.
Restoring Factory Default Settings
If the keypad is not working as expected, you can restore it to factory default settings:
- Check that the battery volume is normal. If the battery is used out, please replace new batteries.
- Insert the USB receiver (if applicable for a wireless version, though this model is Bluetooth) onto the USB port of the PC or notebook.
- While inserting the battery into the keyboard, the keyboard LED lights will flash quickly, indicating that factory settings have been successfully restored.
Specifications
| Feature | Detail |
|---|---|
| Model Number | SK-051BT |
| Connectivity Technology | Bluetooth 5.1 |
| Number of Keys | 19 |
| Power Source | 1 x AAA Battery (not included) |
| Product Dimensions | 4.92 x 3.66 x 0.87 inches (125mm L x 80mm W x 16mm H) |
| Item Weight | 3.52 ounces (80g ± 5g) |
| Material | Plastic |
| Color | Kaypad Bluetooth Black |
| Compatible Devices | Laptop, PC, Smart TV |
| Operating Systems | Windows 2000, XP, ME, Vista, 7/8 and above |

Image: The physical dimensions of the keypad are displayed, indicating its compact and portable size.
Warranty and Support
MOFII provides quality assurance for this product. If you have any questions or encounter quality problems with your numeric keypad during use, please contact our after-sales service specialist as soon as possible. We are committed to providing you with a satisfactory solution immediately.
For support, please refer to the contact information provided with your purchase or visit the official MOFII website.





