Introduction
This manual provides detailed instructions for the Gabongcui Foldable Bluetooth Keyboard. Designed for portability and multi-device compatibility, this keyboard offers a convenient typing experience across various operating systems. Please read this manual thoroughly to ensure proper use and optimal performance of your device.

Image: The Gabongcui Foldable Bluetooth Keyboard in its fully unfolded state, ready for use.
What's in the Box
- 1 x Gabongcui Bluetooth Keyboard
- 1 x User Manual
- 1 x Charging Cable
Product Features
- Multi-Device Connectivity: Connects to up to 3 devices simultaneously via Bluetooth 3.0 & 5.0, allowing seamless switching.
- Portable Design: Foldable, compact, and lightweight for easy transport.
- Wide Compatibility: Supports iOS, Android, and Windows operating systems.
- Ergonomic Keystrokes: Features scissor-key mechanism for comfortable and efficient typing with low noise.
- Rechargeable Battery: Built-in battery provides up to 40 hours of continuous use on a 2-hour charge.
- Power Saving Function: Automatically enters sleep mode after 10 minutes of inactivity to conserve power.

Image: The foldable keyboard shown in different environments, highlighting its portability for transportation, storage in an inner case, and fitting into bags.
Setup Instructions
Bluetooth Pairing
The keyboard supports connecting to three devices. Follow these steps for each device:
- Select Device Channel:
Press FN + Q for Device 1.
Press FN + W for Device 2.
Press FN + E for Device 3.
The blue LED will illuminate briefly, indicating the selected channel. - Enter Pairing Mode:
Lightly press the Connect key. The blue light will start blinking, indicating the keyboard is in Bluetooth pairing mode. - Enable Bluetooth on Your Device:
On your smartphone, tablet, or computer, go to Bluetooth settings and turn on Bluetooth. - Search and Connect:
Search for available devices. You will see either [Bluetooth 5.0 Keyboard] or [Bluetooth 3.0 Keyboard]. Select the appropriate name based on your device's Bluetooth version to connect. - Confirmation:
Once successfully paired, the blue light on the keyboard will stop blinking.

Image: The Gabongcui Foldable Bluetooth Keyboard connected wirelessly to a smartphone, a desktop monitor, and a tablet, demonstrating its multi-device capability.
System Switching
To optimize keyboard functions for your operating system, switch modes as follows:
- Press FN + A to switch to Android system. The blue LED will flash three times.
- Press FN + S to switch to Windows system. The blue LED will flash three times.
- Press FN + D to switch to iOS system. The blue LED will flash three times.

Image: A user's hands demonstrating the process of pressing the FN key along with the A, S, or D keys to switch between iOS, Android, and Windows operating system modes.
Operating Instructions
Shortcut Keys for Language Switching
Use the following key combinations to switch input languages:
- iOS: Control + Space key
- Windows: Alt + Shift
- Android: Shift + Space
Power Saving Mode
To conserve battery life, the keyboard will automatically enter sleep mode after 10 minutes of inactivity. To wake it up, simply press any key on the keyboard. The Bluetooth connection will automatically restore.

Image: The keyboard positioned in front of a tablet, illustrating the comfortable and responsive typing experience provided by its scissor-key design.
Charging
The keyboard features a built-in rechargeable battery. When the battery is low, the indicator light may flash. To charge the keyboard:
- Connect the provided USB charging cable to the keyboard's Type-C charging port.
- Connect the other end of the USB cable to a power source (e.g., computer USB port, USB wall adapter).
- A full charge typically takes approximately 2 hours and provides up to 40 hours of continuous use.

Image: A close-up view of the keyboard's Type-C charging port with a charging cable connected, indicating the charging process and battery life.
Maintenance
To ensure the longevity and proper functioning of your Gabongcui Foldable Bluetooth Keyboard, follow these maintenance guidelines:
- Cleaning: Use a soft, dry, lint-free cloth to clean the keyboard surface. For stubborn dirt, slightly dampen the cloth with water or a mild cleaning solution. Avoid excessive moisture.
- Storage: When not in use, fold the keyboard to protect the keys. Store it in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid Liquids: Do not expose the keyboard to liquids, as this can cause damage to internal components.
- Handle with Care: Avoid dropping the keyboard or subjecting it to strong impacts.
Troubleshooting
1. The tablet/PC cannot connect to the Bluetooth keyboard.
- Ensure the Bluetooth keyboard is in pairing mode (blue light blinking after pressing the 'Connect' key).
- Verify that your tablet/PC's Bluetooth is turned on and actively searching for devices.
- Check the keyboard's battery level. A low battery can prevent connection. Charge the keyboard if necessary.
2. The keyboard indicator light is always flashing during use.
- A continuously flashing indicator light typically means the keyboard battery is low. Please charge the keyboard as soon as possible.
3. The tablet/PC displays the Bluetooth keyboard as disconnected.
- If the Bluetooth keyboard is not used for a period, it will automatically enter sleep mode to save power. Press any key on the keyboard to wake it up, and the Bluetooth connection should automatically restore.
Specifications
| Product Dimensions (Unfolded) | 5.86"L x 3.3"W x 0.6"H (148mm x 85mm x 16mm) |
| Item Weight | 6.9 ounces |
| Connectivity Technology | Bluetooth 3.0 & 5.0 |
| Compatible Devices | iOS, Android, Windows (Tablet, iPhone, Laptop, PC, etc.) |
| Battery Type | Lithium Polymer (included) |
| Charging Time | Approx. 2 hours |
| Continuous Use Time | Up to 40 hours |
| Material | Plastic |

Image: Detailed measurements of the keyboard in its unfolded and folded states, along with an illustration of the included USB charging cable and its length.
Warranty and Support
For warranty information and customer support, please refer to the product packaging or contact Gabongcui customer service directly. Keep your purchase receipt for warranty claims.