The Keychron K8 Pro keyboard supports both cable and bluetooth connection.

In order to connect the K8 keyboard via bluetooth, do the following steps:

1. Put the keyboard in Bluetooth mode by switching the Cable/Bluetooth switch to Bluetooth/BT.
2. Hold down the fn + 1 keys keys until the Bluetooth indicator lights up.
3. The Keychron K8 Pro should not be available in your computer’s Bluetooth settings..
4. Select the Keychron K8 Pro and connect to it.