1. Introduction
The ZAGG Limitless Keyboard is designed for seamless integration across multiple devices. This full-size universal keyboard allows connection to up to three devices simultaneously, eliminating the need for repeated pairing. It supports Apple (iOS), Android, and Windows operating systems, including desktop computers and Apple TV.
This manual provides detailed instructions for setting up, operating, and maintaining your ZAGG Limitless Keyboard to ensure optimal performance and longevity.
2. Product Features
- Multi-Device Connectivity: Pairs with up to three Bluetooth-enabled devices (Apple iOS, Android, Windows) simultaneously.
- Easy Device Switching: Switch between paired devices using simple keystrokes.
- Backlit Keys: Features backlit keys with seven color options and adjustable brightness for typing in various lighting conditions.
- Full-Size Typing Area: A 12-inch typing area with island-style keys provides a comfortable and familiar typing experience.
- Integrated Device Stand: A built-in stand securely holds mobile devices at an optimal viewing angle in both portrait and landscape orientations.
3. Package Contents
- ZAGG Limitless Keyboard
- Charging Cable
4. Setup
4.1. Charging the Keyboard
Before initial use, fully charge your ZAGG Limitless Keyboard. Connect the included charging cable to the micro USB port on the keyboard and the other end to a USB power source. The charging indicator light will illuminate during charging and turn off when fully charged.

Image: Rear view of the ZAGG Limitless Keyboard, highlighting the micro USB charging port.
4.2. Powering On/Off
Locate the power switch on the keyboard. Slide the switch to the 'ON' position to power on the keyboard. Slide it to the 'OFF' position to power off the keyboard when not in use to conserve battery life.
4.3. Pairing with Devices
The ZAGG Limitless Keyboard can pair with up to three devices. Follow these steps to pair your devices:
- Ensure the keyboard is powered on.
- Press and hold one of the Bluetooth pairing keys (F1, F2, or F3) for three seconds. The corresponding LED indicator above the key will begin to flash, indicating the keyboard is in pairing mode.
- On your device (tablet, smartphone, computer), navigate to its Bluetooth settings.
- Select "ZAGG Limitless" from the list of available devices.
- Your device may display a pairing code. Type this code on the ZAGG Limitless Keyboard and press Enter.
- Once paired, the LED indicator will stop flashing and remain solid for a moment before turning off. Your keyboard is now connected.
- Repeat these steps for up to two additional devices using the F2 and F3 keys.

Image: Top-down view of the ZAGG Limitless Keyboard, highlighting the F1, F2, and F3 keys used for Bluetooth pairing.
4.4. Switching Between Devices
To switch between your paired devices, simply press the F1, F2, or F3 key corresponding to the device you wish to use. The keyboard will automatically connect to the selected device.
5. Operating Instructions
5.1. Backlit Keys
The ZAGG Limitless Keyboard features backlit keys for enhanced visibility in low-light environments. To activate or adjust the backlighting:
- Press the Light Bulb key (usually near the F-keys) to cycle through brightness levels.
- To change the backlight color, press the Fn key simultaneously with the Light Bulb key. This will cycle through the available seven colors.
5.2. Integrated Device Stand
The keyboard includes a built-in groove designed to hold your smartphone or tablet. Simply place your device into the stand for an optimal viewing angle while typing. The stand supports devices in both portrait and landscape orientations.

Image: The ZAGG Limitless Keyboard demonstrating its integrated stand holding a tablet and a smartphone.
5.3. Special Function Keys
The top row of the keyboard features dedicated function keys for various controls:
- Home Key: Returns to the home screen of your device.
- Search Key: Activates the search function on your device.
- Media Control Keys: Play/Pause, Previous Track, Next Track.
- Volume Control Keys: Mute, Volume Down, Volume Up.
- Delete Key: Functions as a forward delete key.
- Battery Key: Displays the current battery level.
6. Maintenance
6.1. Cleaning
To clean your keyboard, gently wipe the surface with a soft, lint-free cloth. For stubborn dirt, slightly dampen the cloth with water or a mild, non-abrasive cleaning solution. Avoid excessive moisture and do not spray cleaners directly onto the keyboard.
6.2. Battery Care
To maximize battery life, fully charge the keyboard regularly. If storing the keyboard for an extended period, ensure it is fully charged before storage and recharge it periodically (e.g., every few months) to prevent deep discharge.
7. Troubleshooting
- Keyboard not pairing: Ensure the keyboard is charged and powered on. Make sure Bluetooth is enabled on your device and the keyboard is in pairing mode (flashing F1/F2/F3 LED). Try restarting both the keyboard and your device.
- Keys not responding: Check if the keyboard is powered on and connected to your device. Ensure the battery is not depleted. If specific keys are unresponsive, try cleaning around them.
- Intermittent connection: Ensure your device is within Bluetooth range (typically 10 meters or 33 feet). Avoid interference from other wireless devices.
- Backlight not working: Ensure the keyboard is powered on and has sufficient battery charge. Press the Light Bulb key to activate or adjust the backlight.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | ZAGG |
| Model Number | ZGUNIN-BB0 |
| Connectivity Technology | Bluetooth |
| Operating System Compatibility | Android, iOS, Mac OS, Windows |
| Keyboard Description | Wireless |
| Special Feature | Backlit Keys (7 colors, 3 brightness levels) |
| Keyboard Layout | QWERTY |
| Power Source | Battery Powered (1 Product Specific battery included) |
| Item Weight | 1.65 pounds |
| Product Dimensions (LxWxH) | 13.3 x 8.8 x 0.8 inches |
9. Warranty and Support
For warranty information and technical support, please refer to the official ZAGG website or contact ZAGG customer service. Keep your proof of purchase for warranty claims.