Logitech Harmony Smart Remote Add-on for Harmony Ultimate Hub Add-on companion remote for Harmony Ultimate Hub*: A simple Harmony remote anyone in the house can use when your primary remote or mobile app is not handy (*Requires Harmony Ultimate Hub, sold separately. Not compatible with Harmony Home Hub). One-touch Activity control: Press one button, like "Watch A Movie", and the right devices power on and switch to the right settings Closed-cabinet control: Controls up to 8 devices, even ones hidden behind cabinet doors and walls, when connected to Harmony Ultimate Hub Easy setup: Use the free Harmony mobile app to easily connect the remote to all your devices Works with over 270,000 devices: Controls cable or satellite TV, Apple TV, Roku, Sonos, Amazon Fire TV, Phillips hue, Xbox One, PS3, and TV-connected PC or Mac computers