Easy Voice Control: Works with Amazon Alexa or Google Assistant to help you find movie titles, launch or change channels, even switch inputs, using just your voice. Also available through the Roku mobile app Smart Functionality offers access to over 5,000 streaming channels featuring more than 500,000 movies and TV episodes via Roku TV 1080p Full HD Resolution excellent detail, color, and contrast Direct lit LED produces great picture quality with 60Hz refresh Rate for fast moving action scenes with virtually no Motion blur Inputs: 3 HDMI, 1 USB, RF, Composite, Headphone Jack, optical audio out