1. Introduction
Thank you for choosing the KLIM Tandem Wireless Keyboard and Mouse Set. This product is designed to provide a seamless and responsive wireless experience for both gaming and office use. This manual will guide you through the installation, operation, and maintenance of your new device.

Image 1: The KLIM Tandem wireless keyboard and mouse set, featuring RGB backlighting and a compact USB receiver.
2. Package Contents
Please ensure all items are present in your package:
- KLIM Tandem Wireless Keyboard
- KLIM Tandem Wireless Mouse
- USB Wireless Receiver (located in the mouse battery compartment)
- USB Charging Cable (for both keyboard and mouse)
- User Manual
3. Setup Instructions
3.1 Connecting the Devices
- Locate the USB wireless receiver. It is typically stored in a compartment on the underside of the mouse.
- Plug the USB wireless receiver into an available USB port on your computer.
- Turn on the keyboard using the power switch, usually located on the top edge.
- Turn on the mouse using the power switch, usually located on the underside.
- Your computer should automatically detect and install the necessary drivers. The devices are ready for use once detected.

Image 2: Close-up of the KLIM Tandem mouse and its USB receiver, ready for connection.
3.2 Initial Charge
For optimal performance, it is recommended to fully charge both the keyboard and mouse before first use. Use the provided USB charging cable to connect the devices to your computer or a USB wall adapter. An indicator light will typically show charging status and turn off or change color when fully charged.
4. Operating Instructions
4.1 Keyboard Functions
- Backlight Control: The keyboard features RGB backlighting. Use the dedicated backlight key (often labeled with a lightbulb icon or combined with Fn key) to cycle through brightness levels or turn the backlight on/off. Note that the keyboard's colors are fixed in a rainbow pattern.
- Function Keys (Fn): The keyboard includes a special Function (Fn) key. Press and hold the Fn key, then press the corresponding F1-F12 keys to access multimedia controls and other shortcuts (e.g., volume control, media playback).
- Automatic Sleep Mode: To conserve battery, the keyboard backlight will automatically turn off after a period of inactivity. Press any key to reactivate it.

Image 3: Close-up of the KLIM Tandem keyboard showcasing its RGB illumination and soft-touch keys.
4.2 Mouse Functions
- DPI Adjustment: The mouse features adjustable DPI (Dots Per Inch) settings, allowing you to change cursor sensitivity. Use the dedicated DPI button (usually located behind the scroll wheel) to cycle through different sensitivity levels.
- Side Buttons: The mouse includes side buttons, typically used for forward and backward navigation in web browsers or customizable for gaming.
- Illuminated Logo: The mouse features an illuminated KLIM logo. This lighting can usually be toggled on or off via a switch on the underside of the mouse, separate from the main power switch.
- Ergonomic Design: The mouse is designed for an ergonomic grip, recommended for right-hand users.

Image 4: The KLIM Tandem mouse highlighting its illuminated logo, adjustable DPI settings, and extended battery capacity.
5. Charging and Battery Life
Both the KLIM Tandem keyboard and mouse are equipped with built-in rechargeable batteries. Use the provided USB cable to charge them. You can continue to use the devices while they are charging.
- Charging Indicator: A small LED light on each device will indicate charging status. Refer to the device for specific light behavior (e.g., red for charging, off for full).
- Battery Life Optimization: Lowering the keyboard's backlight brightness or turning it off will significantly extend battery life. The mouse's illuminated logo can also be toggled off to save power.
- Low Battery Warning: Devices will typically provide a visual cue (e.g., flashing indicator light) when the battery is low, signaling that charging is required.
6. Maintenance
To ensure the longevity and optimal performance of your KLIM Tandem set, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe down the keyboard and mouse. For stubborn dirt, a slightly damp cloth with mild soap can be used, ensuring no liquid enters the device. Avoid harsh chemicals.
- Storage: Store the devices in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid Spills: While the keyboard is designed to be resistant to minor spills, it is best to avoid liquid contact to prevent damage.
- USB Receiver: When not in use, the USB receiver can be stored in the mouse's dedicated compartment to prevent loss.
7. Troubleshooting
If you encounter any issues with your KLIM Tandem set, please refer to the following table:
| Issue | Possible Cause | Solution |
|---|---|---|
| Keyboard/Mouse not responding | Low battery; Devices turned off; USB receiver disconnected; Driver issue. | Charge devices; Ensure power switches are ON; Re-plug USB receiver; Restart computer. |
| Backlight not working | Backlight turned off; Low battery; Brightness set to minimum. | Press backlight key; Charge keyboard; Adjust brightness. |
| Mouse cursor erratic or slow | Dirty sensor; Incompatible surface; Low DPI setting. | Clean mouse sensor; Use a mouse pad; Adjust DPI setting. |
| Short battery life | High backlight brightness; Frequent use. | Reduce backlight brightness; Ensure full charge before use. |
8. Specifications
Key technical specifications for the KLIM Tandem Wireless Keyboard and Mouse Set:
- Connectivity: 2.4 GHz Wireless (single USB receiver)
- Wireless Range: Up to 10 meters
- Keyboard Key Type: Membrane
- Keyboard Backlight: Fixed RGB (rainbow pattern)
- Keyboard Lifetime: Over 10 million clicks
- Mouse DPI: Adjustable (multiple levels)
- Mouse Lifetime: Over 10 million clicks
- Battery: Built-in rechargeable (long-lasting)
- Material: Durable ABS
- Compatibility: PC, Mac, PS4, Xbox One (check specific game/system compatibility)

Image 5: Multilingual specifications sheet for the KLIM Tandem wireless keyboard and mouse set.
9. Warranty and Support
KLIM Technologies offers a 5-year warranty on the KLIM Tandem Wireless Keyboard and Mouse Set, demonstrating confidence in product quality. For any questions, technical assistance, or warranty claims, please contact KLIM Customer Service. Our team is available to assist you and aims to respond within 24 hours.
For further support, please visit the official KLIM website or refer to the contact information provided with your product packaging.





