Introduction
This manual provides comprehensive instructions for the setup, operation, maintenance, and troubleshooting of your LeadsaiL Wireless Keyboard and Mouse Combo. This full-sized ergonomic combo features a built-in phone/tablet holder, 2.4GHz wireless connectivity, and silent click technology for an efficient and quiet user experience.

Image: The LeadsaiL Wireless Keyboard and Mouse Combo, showcasing the full-sized keyboard with an integrated holder for a tablet and a smartphone, alongside the wireless mouse and USB receiver.
Setup Instructions
Follow these steps to set up your LeadsaiL Wireless Keyboard and Mouse Combo:
- Install Batteries:
- For the keyboard, open the battery compartment on the underside and insert two (2) AAA batteries (not included), ensuring correct polarity.
- For the mouse, open the battery compartment on the underside and insert one (1) AA battery (not included), ensuring correct polarity.

Image: A detailed view of the underside of the keyboard and mouse, illustrating where to insert the AAA batteries for the keyboard and the AA battery for the mouse. It also highlights the storage location of the USB receiver within the mouse's battery compartment.
- Locate the USB Receiver: The 2.4GHz USB receiver is stored inside the mouse's battery compartment. Carefully remove it.
- Connect the USB Receiver: Plug the USB receiver into an available USB port on your computer (laptop, PC, or desktop).

Image: The compact USB receiver shown plugged into the side of a laptop, demonstrating the simple plug-and-play connection for the LeadsaiL wireless keyboard and mouse.
- Power On: Turn on the keyboard and mouse using their respective ON/OFF switches.The devices should automatically connect to your computer.

Image: A close-up view of the ON-OFF power switches located on both the keyboard and the mouse, indicating their positions for activation.
Operating Instructions
Your LeadsaiL Wireless Keyboard and Mouse Combo is designed for ease of use and efficiency. Here are key operational features:
- Full-Sized Layout with Phone/Tablet Holder: The keyboard features a full QWERTY US layout, including a numeric keypad. The integrated slot at the top allows you to conveniently hold your smartphone or tablet for easy viewing.
- 2.4GHz Wireless Connection: The combo utilizes 2.4GHz wireless technology, providing a stable and reliable connection up to 10 meters (33 ft) without delays or dropouts.
- Silent Click Technology: Both the keyboard (with scissor mechanism keys) and the mouse incorporate silent click technology, minimizing noise during typing and clicking.
- FN+ Shortcuts and Hot Keys: The keyboard includes 12 FN+ shortcuts and 5 dedicated hotkeys for quick access to various functions such as media controls, volume adjustment, and more.

Image: A visual guide to the keyboard's layout, highlighting the 12 FN+ shortcuts and 5 hot keys, along with their respective functions for quick access to media, volume, and other system controls. Note: This function is not compatible with Mac OS.
- Indicator Lights: The keyboard features indicator lights for Num Lock, Caps Lock, and Power status.

Image: A close-up view of the keyboard's top right section, showing the Num Indicator, Caps Indicator, and Power Indicator lights, which provide visual feedback on the keyboard's status.
- Smart Energy Saving Mode: To conserve battery life, both the keyboard and mouse will enter a sleep mode after a period of inactivity (3-5 seconds for the mouse, 5 seconds for the keyboard). To wake them up, simply click the mouse or press any key on the keyboard.
Maintenance
To ensure the longevity and optimal performance of your LeadsaiL Wireless Keyboard and Mouse Combo, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe down the surfaces of the keyboard and mouse. For stubborn dirt, a slightly damp cloth with mild soap can be used, but ensure no liquid enters the device. Avoid abrasive cleaners or solvents.
- Battery Replacement: Replace batteries when performance degrades. Refer to the "Setup Instructions" for battery types and installation. Dispose of used batteries responsibly.
- Storage: When not in use for extended periods, turn off the keyboard and mouse to conserve battery life. Store them in a cool, dry place away from direct sunlight and extreme temperatures.
- USB Receiver Care: When transporting the mouse, store the USB receiver in its designated compartment inside the mouse to prevent loss or damage.
Troubleshooting
If you encounter issues with your LeadsaiL Wireless Keyboard and Mouse Combo, try the following solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Keyboard/Mouse not responding | Low batteries; USB receiver not connected; Device not powered on; Interference. | Replace batteries. Ensure USB receiver is firmly plugged into a working USB port. Turn on both devices. Move closer to the receiver or away from other wireless devices. |
| Lag or delayed response | Distance from receiver; Interference; Low battery. | Reduce distance between devices and receiver (max 10m). Minimize interference from other 2.4GHz devices. Replace batteries. |
| FN+ shortcuts not working on Mac OS | Feature incompatibility. | This function is not compatible with Mac OS. No solution required as this is expected behavior. |
| Mouse cursor erratic | Dirty sensor; Uneven surface. | Clean the optical sensor on the bottom of the mouse. Use the mouse on a clean, flat, non-reflective surface or a mouse pad. |
Specifications
- Brand: LeadsaiL
- Model Number: HU-XI-126
- Color: Gray
- Connectivity Technology: 2.4GHz Wireless (USB Receiver)
- Keyboard Layout: Full-sized QWERTY US Layout with Numeric Keypad
- Special Features: Integrated Phone/Tablet Holder, Silent Click Technology, FN+ Shortcuts, Hot Keys, Smart Sleep Mode
- Keyboard Battery: 2 x AAA batteries (not included)
- Mouse Battery: 1 x AA battery (not included)
- Wireless Range: Up to 10 meters (33 ft)
- Compatible Devices: Dell, HP, Lenovo, MacBook, iMac (Windows XP/VISTA/7/8/10/MacOS/Linux/Chrome OS/Microsoft Surface)
- Item Weight: Approximately 2.29 pounds (combo)
- Package Dimensions: 17.48 x 6.02 x 2.83 inches

Image: An overhead view of the LeadsaiL keyboard and mouse, displaying their physical dimensions in both inches and centimeters, highlighting the compact yet full-sized design.
Warranty and Support
For warranty information and technical support, please refer to the documentation included with your product packaging or visit the official LeadsaiL website. Keep your purchase receipt as proof of purchase for warranty claims.
For further assistance, you may contact LeadsaiL customer service through their official channels.



