Introduction
Thank you for choosing the Nillkin Cube Pocket Keyboard. This foldable Bluetooth wireless keyboard is designed for portability and efficiency, featuring an integrated touchpad and a switchable numeric keypad. It offers seamless connectivity across various operating systems, making it an ideal companion for your mobile devices and computers. Please read this manual carefully to ensure proper use and to maximize your product's potential.

The Nillkin Cube Pocket Keyboard is designed for optimal use in various settings, from travel to cafes.
Product Overview
Key Features
- Ultra-Portable Design: Folds into a compact size (238g weight) for easy storage in bags or pockets, transforming your smartphone or tablet into a mobile workstation.
- Comfortable Typing: Features a pantograph structure for a crisp typing feel, reducing fatigue during extended use. Standard US layout with convenient function keys.
- Multi-Device Connectivity: Equipped with the latest Bluetooth 5.0 chip, allowing simultaneous connection to up to three devices (e.g., Windows PC, iPad, iPhone, Android tablet). Switch between devices with a single button.
- Long Battery Life: A single charge provides up to 140 days of standby time or 30 hours of continuous use. Supports 5V/2A fast charging, reaching full charge in approximately 30 minutes.
- Integrated Touchpad & Numeric Keypad: Features a large 3.4-inch touchpad for mouse-free operation, supporting multi-gesture controls (some OS limitations apply). Easily switch to a numeric keypad for data entry.
- Durable Construction: High-grade silicone leather finish offers superior abrasion, scratch, and stain resistance. Robust metal hinges are tested for over 50,000 folding cycles.
Package Contents
The Nillkin Cube Pocket Keyboard package includes the following items:
- Nillkin Foldable Keyboard x 1
- USB-C Charging Cable x 1
- Instruction Manual x 1
- Storage Bag x 1

Illustration of the package contents.
Setup
1. Charging the Keyboard
Before first use, fully charge the keyboard. Connect the provided USB-C cable to the charging port on the keyboard and the other end to a 5V/2A power adapter (not included) or a computer's USB port. The charging indicator light will show the charging status.

Connect the USB-C cable to charge the keyboard. A full charge takes approximately 2 hours.
2. Power On/Off
Locate the power switch on the side of the keyboard. Slide it to the 'ON' position to power on and 'OFF' to power off. The keyboard will automatically enter sleep mode after 10 minutes of inactivity to conserve battery.
3. Bluetooth Pairing
- Ensure the keyboard is powered on.
- Press the Fn + Q, Fn + W, or Fn + E keys simultaneously to select a device channel (BT1, BT2, or BT3). The corresponding indicator light will flash, indicating pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "Nillkin Keyboard" from the list of found devices.
- Follow any on-screen prompts to complete the pairing process. The indicator light on the keyboard will stop flashing once successfully paired.
- To pair additional devices, repeat steps 2-5 using a different device channel (Fn+W or Fn+E).

Connect up to three devices simultaneously and switch between them easily.
Operating Instructions
1. Keyboard Layout and Function Keys
The keyboard features a standard US QWERTY layout. Many keys have secondary functions accessible by holding the Fn key and pressing the desired function key (e.g., F1-F12 for media control, volume, etc.). The keyboard automatically recognizes the operating system (Windows/Mac/Android/iOS/iPadOS) for optimal key mapping.

Full keyboard layout with integrated numeric keypad.
2. Touchpad and Numeric Keypad
The right side of the keyboard integrates a large touchpad and a numeric keypad. You can switch between touchpad mode and numeric keypad mode using a shortcut.
- Switching Modes: Press Fn + Command (or the key with the touchpad/numeric keypad icon) to toggle between touchpad and numeric keypad functionality.
- Touchpad Gestures: The touchpad supports various multi-touch gestures for navigation, scrolling, zooming, and app switching, similar to a laptop trackpad. (Note: Gesture support may vary depending on the connected operating system.)
- Numeric Keypad: In numeric keypad mode, the keys function as a standard 10-key pad for efficient data entry.

Easily switch between touchpad and numeric keypad modes.
3. Switching Between Paired Devices
To switch between your three paired devices, simply press the corresponding function key combination:
- Press Fn + Q to connect to Device 1.
- Press Fn + W to connect to Device 2.
- Press Fn + E to connect to Device 3.
The keyboard will automatically reconnect to the last used device when powered on.
Maintenance
To ensure the longevity and optimal performance of your Nillkin Cube Pocket Keyboard, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the keyboard surface. For stubborn dirt, a slightly damp cloth with mild soap can be used, but ensure no liquid enters the keyboard. Avoid harsh chemicals or abrasive cleaners.
- Storage: When not in use, fold the keyboard to protect the keys and touchpad. Store it in the provided storage bag to prevent scratches and dust accumulation.
- Avoid Extreme Conditions: Do not expose the keyboard to extreme temperatures, direct sunlight, high humidity, or dusty environments.
- Handle with Care: While durable, avoid dropping the keyboard or applying excessive force to the keys or hinges.

The high-grade silicone leather and sturdy metal hinges contribute to the keyboard's durability.
Troubleshooting
If you encounter any issues with your Nillkin Cube Pocket Keyboard, please refer to the following common solutions:
- Keyboard not connecting/pairing:
- Ensure the keyboard is fully charged and powered on.
- Make sure Bluetooth is enabled on your device.
- Try re-pairing the keyboard by selecting a device channel (Fn+Q/W/E) and searching for it on your device.
- If previously paired, try forgetting the device on your host device's Bluetooth settings and then re-pairing.
- Ensure the keyboard is within the effective Bluetooth range (up to 10 meters/33 feet).
- Keys not responding or typing incorrectly:
- Check if the keyboard is properly connected to your device.
- Ensure the keyboard is not in sleep mode. Press any key to wake it up.
- Verify that the correct operating system mode is selected (the keyboard automatically detects, but sometimes a manual re-connection helps).
- If specific keys are unresponsive, try cleaning around the keys.
- Touchpad not working:
- Ensure the touchpad is not in numeric keypad mode. Press Fn + Command to switch modes.
- Check your device's settings for touchpad functionality and gesture support.
- Short battery life:
- Ensure the keyboard is fully charged.
- The keyboard automatically enters sleep mode after 10 minutes of inactivity. Ensure it's not being left on unnecessarily.
If these steps do not resolve your issue, please contact Nillkin customer support for further assistance.
Specifications
| Brand | Nillkin |
| Model Name | Cube Pocket Keyboard |
| Connectivity Technology | Bluetooth 5.0 |
| Compatible Devices | iPad (A16/10th Gen, Air, Pro, Mini), Galaxy Z Fold 7, MacBook Pro, Android Smartphones/Tablets, Windows PCs |
| Features | Foldable, Lightweight, Integrated Touchpad, Switchable Numeric Keypad, Multi-device Connection |
| Material | High-grade Silicone Leather (exterior), Plastic (internal components) |
| Product Dimensions (Unfolded) | 18.2 cm (Length) x 10.8 cm (Width) x 1.6 cm (Height) |
| Weight | 238g |
| Battery Capacity | 140mAh |
| Standby Time | Up to 140 days |
| Continuous Use Time | Up to 30 hours |
| Charging Port | USB-C |
| Country of Origin | China |

Detailed dimensions and weight of the keyboard.
Warranty and Support
Nillkin provides a 1-year manufacturer's warranty for this product from the date of purchase. This warranty covers manufacturing defects and ensures that you can use your keyboard with confidence.
In the unlikely event of a product malfunction or if you have any questions, please contact our dedicated customer support team. You can typically initiate a return or refund process through your Amazon order history page. Our professional customer support team is always ready to assist you promptly.
We are committed to providing excellent service and support to all our customers.





