4K ULED: Like great, but better. The 50U6HF has our exclusive ULED technologies. They boost color, contrast, brightness, motion… we could go on. It's the TV your old TV wants to be. Quantum Dot Wide Color Gamut: Quantum Dot produces purer, richer, more brilliant and accurate colors than a regular LED TV. Creating over a billion color combinations brings vibrant images to life in a way non-QLED TVs can't. Fire TV Built-in: With Fire TV built-in, you can enjoy a world of entertainment from apps like Prime Video, Netflix, Disney plus, Hulu, and HBO Max. Plus, stream for free with Freevee, Pluto TV, Tubi, and more. Subscription may be required. Peak Brightness / Full Array Local Dimming Zones: This television offers up-to-600 nits peak brightness across up to 32 local dimming zones. Above average peak brightness and local dimming are critical to correctly reproducing HDR content. Dolby Vision HDR, HDR10, and HDR10+: Transform your TV into an entertainment powerhouse. The image technology from cinemas, now brought directly to your home, provide amazing realism that you'll experience like never before. Motion Rate 240, 60Hz Native Refresh Rate and HDMI 2.1: The TV's HDMI 2.1(eARC) port is the foundation for its 240 motion rate and native 60Hz refresh rate. These technologies work in concert to make fast-action scenes to ensure moving objects have minimal blurring. Press & Ask Alexa: Use the included Alexa Voice Remote to manage TV power, volume, navigation, playback, and input switching. Or just press the microphone button and say, "Find dramas," and Alexa will show you search results from a central catalog of hundreds of integrated apps and channels. Bluetooth Connectivity: Wirelessly connect soundbars, headphones or stereo components to your TV. This quick and convenient connection eliminates unwanted and unsightly cords while providing a secure connection to your audio source. Metal Stand, Bezel-less Design: A bezel-less design gives this television a sleek aesthetic that won’t overpower the room with an unnecessarily large frame. The metal stand provides sturdy support for this feature-packed television.