Matter Smart Switch requires a hub of your chosen platform. Adding Matter-enabled Even devices to your smart home is fast and easy - the only other thing you need it the right hub. Which hub is right depends on which smart home platform(s) you'd like to control your home with. You can use the following hubs:For iTV: TV 4K (2nd gen), TV 4K (3rd gen, 128 GB), Home (2nd gen), Home mini, For : Hub v3, Station, For : (4th gen), For : Nest Hub (2nd gen), Nest Hub Max, Nest Wifi Pro Attention: For using Please make sure the system of the mobile phone is above 16.1; A smart home hub must be set , then the Matter devices can be added into "Home"App. For using A "Matter enabled hub" must be set up in order to add Matter devices to the ' Home' app; Congured WiFi network and Matter-enabled hub must in the same local area network(LAN). Note for using APP: ① Please set up an device that is compatible with Matter( devices with built-in Matter support)in order to add Matter devices to ""App; ②