MIUCDA e51b8b54-918e-4cb6-a1c1-5f0b4b6e8864
MIUCDA Foldable Wireless Keyboard User Manual
Model: e51b8b54-918e-4cb6-a1c1-5f0b4b6e8864
Introduction
Thank you for choosing the MIUCDA Foldable Wireless Keyboard. This portable Bluetooth keyboard is designed for convenience and efficiency, featuring a numeric keypad and multi-device support. It is compatible with iOS, Android, Windows, and Mac operating systems, making it ideal for use with tablets, smartphones, laptops, and PCs. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance of your device.

Image: The MIUCDA Foldable Wireless Keyboard in its fully unfolded state, showcasing the full QWERTY layout and integrated numeric keypad. The keyboard is black with white key legends.
Key Features
- Foldable Full-size Design: Features an 82-key layout with a numeric keypad, expanding to 13.5 x 4.5 inches for comfortable typing. Innovative seamless metal hinges allow for easy portability.
- Multi-Device Connectivity: Supports simultaneous connection to up to 3 devices via Bluetooth 5.1, allowing seamless switching between them.
- Numeric Keypad: Integrated standard numeric keypad for quick calculations and data entry.
- Comfortable Scissor-Switch Keys: Provides quiet, responsive, and smooth typing experience similar to a laptop.
- Smart Power-Saving & Rechargeable: Built-in 210 mAh battery offers up to 90 hours of use or 120 days of standby. Automatically enters sleep mode after 10 minutes of inactivity.
- Portable and Durable: Constructed from durable ABS+PU material with a black PU leather exterior. Folded size is 7.36 x 4.17 x 0.7 inches, weighing only 9.3 ounces.

Image: The keyboard is shown unfolded next to a tablet, highlighting the numeric keypad. This illustrates the convenience of the full layout for productivity tasks.

Image: A diagram illustrating the dimensions of the keyboard when folded and unfolded, emphasizing its compact and portable design. A small inset image shows the keyboard fitting into a bag.
Package Contents
Please check the package contents upon unboxing:
- MIUCDA Foldable Wireless Keyboard
- USB Cable (for charging)
- User Manual (this document)
Specifications
| Attribute | Detail |
|---|---|
| Brand | MIUCDA |
| Model Number | e51b8b54-918e-4cb6-a1c1-5f0b4b6e8864 |
| Connectivity Technology | Bluetooth 5.1 |
| Compatible Devices | Laptop, Tablet, Smartphone (Windows, Mac OS, iOS, Android) |
| Number of Keys | 82 |
| Battery Capacity | 210 mAh |
| Charging Time | 2-3 hours |
| Usage Time | Up to 90 hours |
| Standby Time | Up to 120 days |
| Folded Dimensions | 7.36 x 4.17 x 0.7 inches (187 x 106.09 x 17.8 mm) |
| Unfolded Dimensions | 13.5 x 4.5 inches (346.86 x 106.09 mm) |
| Item Weight | 9.3 ounces (263.6 grams) |
| Material | ABS+PU, Metal hinges |

Image: This visual demonstrates the keyboard's compatibility with various operating systems and devices, including Windows, Mac/iOS, and Android platforms.
Setup Guide
1. Initial Charge
Before first use, fully charge the keyboard. Connect the provided USB cable to the keyboard's Type-C port and the other end to a USB power source (e.g., computer USB port, USB wall adapter).
- The charging indicator light will illuminate during charging.
- Charging typically takes 2-3 hours.
- Once fully charged, the indicator light may change or turn off.

Image: The keyboard is shown with a USB-C cable plugged into its charging port, indicating the rechargeable battery feature.
2. Power On/Off
To power on the keyboard, simply unfold it. The keyboard will automatically power on when opened. To power off, fold the keyboard. It will automatically enter a smart sleep state after 10 minutes of inactivity to conserve power.
3. Bluetooth Pairing
The keyboard supports connecting to up to three devices simultaneously. Follow these steps to pair your device:
- Ensure the keyboard is unfolded and powered on.
- Press and hold the Fn key and one of the Bluetooth channel keys (BT1, BT2, or BT3) for 3 seconds. The corresponding indicator light will flash rapidly, indicating it's in pairing mode.
- On your device (smartphone, tablet, laptop), go to Bluetooth settings and turn Bluetooth on.
- Search for available devices. The keyboard will appear as "AVATTO Keyboard" or similar.
- Select the keyboard from the list to connect. Once connected, the indicator light will stop flashing.
- Repeat these steps for up to two additional devices using the other Bluetooth channel keys.

Image: This diagram illustrates how the keyboard can connect to three different Bluetooth devices (phone, tablet, laptop) and switch between them.

Image: A visual guide demonstrating the "Fn + Tab" key combination to initiate Bluetooth pairing mode, with an indicator light flashing.
Operating Instructions
1. Switching Between Devices
Once paired with multiple devices, you can switch between them seamlessly by simply pressing the corresponding Bluetooth channel key (BT1, BT2, or BT3) once. The keyboard will connect to the selected device automatically.
2. Using Function Keys
The top row of keys serves as both standard number keys and function keys (F1-F12). To use the function keys, press and hold the Fn key simultaneously with the desired function key.
- Example: To use F1, press Fn + 1.
- Specific functions (e.g., media controls, volume) are often indicated by icons on the keys.
3. Numeric Keypad Usage
The integrated numeric keypad on the right side functions like a standard desktop numeric keypad. Ensure the Num Lock is active if numbers are not registering.
Maintenance
1. Cleaning
To clean the keyboard, gently wipe the surface with a soft, dry, lint-free cloth. For stubborn dirt, slightly dampen the cloth with water or a mild, non-abrasive cleaner. Avoid excessive moisture and do not spray cleaners directly onto the keyboard.
- Do not use harsh chemicals, solvents, or abrasive materials.
- Ensure the keyboard is powered off before cleaning.
2. Battery Care
The keyboard has a built-in rechargeable lithium battery. To prolong battery life:
- Charge the keyboard regularly, avoiding complete discharge.
- Store the keyboard in a cool, dry place when not in use for extended periods.
- Avoid exposing the keyboard to extreme temperatures.
Troubleshooting
| Problem | Possible Cause / Solution |
|---|---|
| Keyboard does not power on. |
|
| Unable to pair via Bluetooth. |
|
| Keys are not responding or typing incorrectly. |
|
| Keyboard disconnects frequently. |
|
Warranty and Support
MIUCDA products are manufactured to high quality standards. For any issues or questions regarding your Foldable Wireless Keyboard, please contact MIUCDA customer support. Please refer to your purchase documentation for specific warranty terms and conditions.
For support, visit the official MIUCDA website or contact your retailer.