Quick Start Guide

Lenovo Keyboard KB331U

This guide provides essential information to get you started with your Lenovo KB331U keyboard.

The keyboard features:

1 Indicator light
2 Power switch
3 USB-C connector

Note: The keyboard layout may vary by country or region; please refer to the actual product.

Switching Between Multiple Devices

The keyboard is compatible with Android™, iOS®, and Windows®, and can connect to a maximum of three different devices.

Press the ? (Bluetooth) button in the upper left corner to effortlessly switch between devices.

Diagram Description: A visual representation shows three devices (labeled 1, 2, and 3) connected to the keyboard. Arrows indicate the ability to switch between these devices, illustrating seamless multi-device connectivity.

Using the Keyboard

Connect via Bluetooth

Follow these steps to connect your keyboard wirelessly:

Turn on the power switch.
Press and hold one of the ? (Bluetooth) keys for 3 seconds until the Bluetooth indicator starts flashing.
On your device, go to Bluetooth settings and add “Lenovo Wireless KB”.

Note: When first powered on, the keyboard automatically enters pairing mode.

Diagram Description: An illustration depicts the Bluetooth pairing process, showing the keyboard connecting to a tablet, a computer, and a smartphone simultaneously, with visual cues for active pairing.

Connect via a USB-C Cable

Connect the keyboard to your device using a USB-C cable for wired operation.

Diagram Description: A simple diagram shows a tablet connected to the keyboard via a USB-C cable, indicating a direct wired connection.

Note: When connected via a data cable, the keyboard can be used normally without turning it on, but the Bluetooth connection cannot be enabled at this time.

Charging the Keyboard

Diagram Description: An illustration shows the keyboard being charged via its USB-C port, connected to a power source. An inset displays battery status indicators: a solid circle for "Fully charged" and a filled circle for "Charging".

Light status	Battery status
White (solid on)	Fully charged
Amber (solid on)	Charging

Important Safety Information

⚠️ Do not place heavy or sharp items on the keyboard to prevent potential damage.
⚠️ Do not use your device in temperatures below 0°C or above 40°C.
⚠️ Do not store or transport your device in temperatures below -20°C or above 60°C.

Help and More

To get more information, go to http://support.lenovo.com.

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