A "paired device" refers to two electronic devices that are connected and able to communicate with each other. They are linked together to share information, control functions, or transfer data wirelessly. Full definition
Both bulbs include instructions for pairing the devices with generic smart home hubs, instructions to download device - specific apps for the bulbs, and so on. (howtogeek.com)
It is quite clever, as it means that you don't have to go through the hassle of pairing your device using Bluetooth or replace the keyboard battery. (iphonehacks.com)
Then pair the device — follow the steps as mentioned on the app. (gogi.in)