Introduction
The Rii Mini Bluetooth keyboard is a versatile and compact input device designed for seamless interaction with various smart devices. It is ideal for typing quick messages during multiplayer games or for controlling smart TVs, Android TV boxes, PCs, and tablets. This travel-sized keyboard features a built-in rechargeable battery and a comfortable keypad, making it a convenient accessory for your digital lifestyle.
Package Contents
Please check the box for the following items:
- 1 x Mini Bluetooth Keyboard
- 1 x Power USB 2.0 Charging Cable
- 1 x User Manual

Product Overview
The Rii Mini Wireless Keyboard series offers a range of models (518BT, i4, K06, KS18S) each featuring a compact design with a full QWERTY keyboard layout and an integrated touchpad. Key features include dual connection modes (Bluetooth and 2.4G wireless), backlight for low-light conditions, and a built-in infrared learning function for remote control capabilities.

Keyboard Layout and Function Keys
Each model features a similar layout with dedicated function keys accessible via the 'Fn' button. Below are diagrams illustrating the key components and their functions for different models:



Common FN Key Combinations:
- FN + ESC: F1
- FN + 1: F2
- FN + 2: F3
- FN + 3: F4
- FN + 4: F5
- FN + 5: F6
- FN + 6: F7
- FN + 7: F8
- FN + 8: F9
- FN + 9: F10
- FN + 0: F11
- FN + ~: F12
- FN + ENTER: CTRL + ALT + DEL
- FN + SPACE: Overdrive the mouse (adjust mouse speed)
Specifications
| Feature | Description |
|---|---|
| Connectivity | Bluetooth 5.0, 2.4G Wireless |
| Compatibility | Google Android OS, Windows Mobile (6.0 & later), Nokia Symbian S60 (V3.0 & later), iPhone (4.0 & later), Mac OS, Linux, Smart TV, Xbox, PS4 |
| Material | High-grade PVC |
| Special Features | Backlight, Touchpad, Infrared Learning Function (10 learning keys) |
| Power | Built-in rechargeable battery |
| Installation Method | Assembly (referring to initial setup/pairing) |
| Origin | Mainland China |


Setup Guide
1. Charging the Keyboard
Before initial use, ensure the keyboard is fully charged. Connect the provided USB charging cable to the keyboard's charging port and to a USB power source (e.g., computer USB port, USB wall adapter). The charging indicator light will typically turn off or change color once fully charged.

2. Connecting via Bluetooth
- Ensure Bluetooth is enabled on your host device (e.g., Android TV Box, PC, Tablet).
- Turn on the keyboard using the power switch.
- Press FN + Tab simultaneously to switch the keyboard to Bluetooth mode. The Bluetooth indicator light should start blinking, indicating it's in pairing mode.
- On your host device, search for new Bluetooth devices.
- Select the Rii keyboard from the list of available devices to pair.
- Follow any on-screen prompts to complete the pairing process.
3. Connecting via 2.4G Wireless (if applicable)
- Locate the 2.4G USB receiver (usually stored in the keyboard's battery compartment).
- Plug the USB receiver into an available USB port on your host device.
- Turn on the keyboard using the power switch.
- Press FN + Caps simultaneously to switch the keyboard to 2.4G wireless mode. The 2.4G indicator light should illuminate, indicating a successful connection.
- The keyboard should be automatically recognized by your device.

Operating Instructions
Basic Keyboard Use
The keyboard functions like a standard QWERTY keyboard. Use the alphanumeric keys for typing and the dedicated function keys (F1-F12) by pressing the 'Fn' key in combination with the corresponding number/symbol key as indicated in the Product Overview section.
Touchpad Functions
The integrated touchpad allows for mouse-like navigation. Specific gestures may include:
- Single Finger Tap: Left-click
- Two Finger Tap: Right-click
- Two Finger Scroll: Scroll up/down or left/right
- Pinch-to-Zoom: (If supported by device and model)
To adjust mouse speed, press FN + Space.
Backlight Control
Some models feature a backlight for improved visibility in dark environments. Refer to your specific model's diagram for the backlight activation key (often a dedicated button or an 'Fn' combination).

Infrared Learning Function
Certain models of the Rii Mini Wireless Keyboard include a built-in infrared (IR) learning function, allowing you to program up to 10 keys (e.g., C1, C2) to control other IR-enabled devices like your TV or media player. This feature consolidates your remote controls into one device.

To program IR learning keys:
- Ensure the keyboard is powered on.
- Enter IR learning mode (refer to your specific model's manual for the exact key combination, often a long press of a dedicated IR button).
- Point the IR emitter of your original remote control directly at the keyboard's IR receiver (usually located at the top edge).
- Press the button on your original remote that you wish to program.
- Press the corresponding learning key (e.g., C1) on the Rii keyboard.
- Repeat for other keys.
- Exit IR learning mode.
User Tips
- For optimal performance, keep the keyboard and your connected device within the recommended operating range.
- If experiencing input lag, ensure the keyboard is fully charged and there are no obstructions between the keyboard and the receiver/device.
- Regularly clean the touchpad and keys with a soft, dry cloth to maintain responsiveness.
- When not in use for extended periods, turn off the keyboard to conserve battery life.
Troubleshooting
Keyboard Not Responding
- Check Battery: Ensure the keyboard is fully charged.
- Power On: Verify the keyboard's power switch is in the 'ON' position.
- Connection Mode: Confirm the keyboard is in the correct mode (Bluetooth or 2.4G) for your device.
- Re-pair: For Bluetooth, try unpairing and re-pairing the keyboard with your device. For 2.4G, try unplugging and re-plugging the USB receiver.
- Interference: Move away from other wireless devices that might cause interference.
Touchpad Not Working
- Clean Surface: Ensure the touchpad surface is clean and free of debris.
- Restart: Turn the keyboard off and on again.
- Driver Issues: On a PC, check if the device drivers are up to date.
Backlight Not Working
- Activation Key: Ensure you are using the correct key combination or dedicated button to activate the backlight.
- Battery Level: Low battery might disable the backlight feature. Charge the keyboard.
Maintenance
- Cleaning: Use a soft, lint-free cloth to wipe the keyboard surface. 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.
- Battery Care: Do not expose the battery to high temperatures or attempt to disassemble it. Charge regularly to maintain battery health.
Warranty and Support
For warranty information or technical support, please refer to the documentation provided with your purchase or contact the retailer/manufacturer directly. Keep your proof of purchase for any warranty claims.