1. Introduction
Thank you for choosing the MOFII Wireless Keyboard + Mouse Set 666 2.4G. This manual provides essential information for setting up, operating, and maintaining your new wireless peripheral set. Please read it carefully before use and retain it for future reference.
2. Safety Information
- Keep the device away from water, moisture, and extreme temperatures.
- Do not attempt to disassemble or repair the device yourself. Refer all servicing to qualified personnel.
- Use only specified batteries. Ensure correct polarity when inserting batteries.
- Dispose of batteries according to local regulations. Do not dispose of batteries in fire.
- Avoid prolonged use without breaks to prevent discomfort or injury.
3. Package Contents
Please check the package contents upon opening to ensure all items are present:
- Wireless Keyboard
- Wireless Mouse
- USB 2.4G Receiver
- User Manual (this document)
- (Batteries may or may not be included depending on region/retailer)
4. Setup
4.1. Battery Installation
For the Keyboard:
- Locate the battery compartment on the underside of the keyboard.
- Open the battery compartment cover.
- Insert the required batteries (typically AAA, check compartment for specific type) ensuring correct polarity (+/-).
- Close the battery compartment cover securely.
For the Mouse:
- Locate the battery compartment on the underside of the mouse.
- Open the battery compartment cover.
- Insert the required battery (typically AA, check compartment for specific type) ensuring correct polarity (+/-).
- Close the battery compartment cover securely.
4.2. Connecting the USB Receiver
The keyboard and mouse share a single 2.4G USB receiver.
- Locate the USB 2.4G receiver. It is often stored in the mouse's battery compartment for safekeeping during transport.
- Plug the USB receiver into an available USB port on your computer or laptop.
- Your operating system should automatically detect and install the necessary drivers. This may take a few moments.
- Once installed, the keyboard and mouse should be ready for use.

Image: The MOFII wireless keyboard and mouse set, showing the compact design and indicating the presence of a USB receiver for connection.
5. Operating Instructions
5.1. Keyboard Usage
The keyboard features a full-size QWERTY layout. Simply begin typing after successful connection. The keyboard is designed for portable devices and is compatible with Windows operating systems.

Image: A top-down view of the MOFII wireless keyboard and mouse positioned on a desk next to a laptop, illustrating its compact and ergonomic design for everyday use.
Function Keys: The top row of keys (F1-F12) may have secondary functions accessible by pressing the Fn key simultaneously. Refer to the icons on the keys for specific functions such as media control, volume adjustment, or brightness control.
5.2. Mouse Usage
The mouse uses optical tracking technology for precise movement. It features standard left and right-click buttons and a scroll wheel for navigation.
- Left Click: Primary action, selection.
- Right Click: Context menu.
- Scroll Wheel: Scroll up/down, middle click (if applicable).

Image: A close-up view of the MOFII wireless keyboard and mouse, highlighting the rounded keycaps and the ergonomic shape of the mouse.
6. Maintenance
6.1. Cleaning
- Disconnect the USB receiver from your computer before cleaning.
- Use a soft, dry, lint-free cloth to wipe the surfaces of the keyboard and mouse.
- For stubborn dirt, slightly dampen the cloth with water or a mild, non-abrasive cleaner. Avoid excessive moisture.
- Do not spray cleaners directly onto the devices.
- Use compressed air to remove dust and debris from between keyboard keys.
6.2. Battery Replacement
When the keyboard or mouse performance degrades (e.g., delayed response, erratic movement), it may be time to replace the batteries. Follow the battery installation steps outlined in Section 4.1.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Keyboard/Mouse not responding | Low batteries; USB receiver not connected; Driver issue; Interference. | Replace batteries. Ensure USB receiver is firmly plugged into a working USB port. Try a different USB port. Restart your computer. Move closer to the receiver. |
| Erratic mouse movement | Dirty optical sensor; Uneven surface; Low battery. | Clean the optical sensor on the mouse's underside. Use a smooth, opaque mouse pad. Replace the mouse battery. |
| Delayed response or lag | Distance from receiver; Interference from other wireless devices. | Reduce the distance between the devices and the receiver. Move other wireless devices (e.g., Wi-Fi routers, cordless phones) further away. |
8. Specifications
- Brand: MOFII
- Model Number: SMK-666395AG
- Color: Black
- Connectivity Technology: 2.4G Wireless (Radio Frequency)
- Operating System Compatibility: Windows
- Compatible Devices: Laptop, Computer
- Keyboard Layout: QWERTY, Full-size
- Mouse Tracking Technology: Optical
- Power Source: Battery Powered
- Special Feature: Lightweight design
9. Warranty and Support
MOFII products are designed for reliability and performance. This product comes with a standard manufacturer's warranty against defects in materials and workmanship. Please refer to the warranty card included in your package or visit the official MOFII website for detailed warranty terms and conditions.
For technical support, troubleshooting assistance, or warranty claims, please contact MOFII customer service through their official website or the contact information provided with your purchase. When contacting support, please have your product model number (SMK-666395AG) and purchase details ready.