Smart speakers are in the living room. How to control the lighting in the bedroom?

First of all, your whole house lights need to be smart homes.

The whole house light switch of smart home, and then click Settings to connect it to Xiao Ai's speaker. Xiao Ai's classmates and the smart home network should be in the same LAN, then start the Bluetooth speaker and Xiao Ai speaker and connect them to the lamps in the whole house. So you can page him again.