Control your home entertainment devices with your iPhone, Apple Watch and Siri when paired with a Harmony hub-based remote control. You can start-stop your Harmony Activities, change channels, volume and many more. Siri Shortcuts ara available on iPhone 6s or later. HarmonyWatch app requires Logitech Harmony hub-based remote control (Harmony Pro, Harmony Elite, Harmony Companion, Harmony Hub, Harmony Ultimate Home, Harmony Home Control, Harmony Home Hub, Harmony Ultimate, ...) For support via email, contact [email protected]. ** Logitech and Harmony are registered trademarks of Logitech Europe S.A.**