4K Ultra HD (2160p resolution) - Enjoy breathtaking 4K movies and TV shows at 4 times the resolution of Full HD, and upscale your current content to Ultra HD-level picture quality. Alexa voice control - Speak commands into the voice remote with Alexa to control your Fire TV verbally—ask it to watch live TV, search for titles, play music, switch inputs, control smart home devices and more. Access thousands of shows with Fire TV - Watch over 1 million streaming movies and TV episodes with access to thousands of channels, apps and Alexa skills, including Apple TV+, Disney+, Hulu, Netflix, Prime Video, Sling TV, YouTube and other services right from this TV. DTS Studio Sound - This premium audio enhancement suite creates realistic and immersive audio with two-speaker playback that expands your sense of space and ambience. Hands-free control: Pair with your Amazon Echo and go hands-free, controlling volume, search, channels and more.