Logitech Harmony O-R0004 Ultimate Hub Smart Control With Power Adapter Compatible with Alexa to easily control your home entertainment devices with your voice Combine up to 8 remotes and countless apps into one easy-to-use smartphone app. Create customized activities to control your home entertainment. For example, simply tap “Date Night” and Harmony can turn on your Sony Android TV, launch Netflix, dim your Philips Hue smart lights and turn on your Sonos connected speaker Harmony App for iOS or Android smartphone or tablet: Simply swipe and tap to control channels, movies, 50 customizable channel Favorites Closed cabinet control: Included Harmony Hub lets you control devices in closed cabinets