HDR technologyThe Panasonic TX-58JX800B 58″ Smart 4K Ultra HD HDR LED TV has plenty of HDR technology to bring you the very best viewing. It brings detail to dark areas of the scene and brings bright vibrant colour, perfect for sports or movies. This TV supports a variety of formats, so you can enjoy HDR content from a broad range of sources.Bright Panel Plus provides bright LED backlighting for sharp and crisp images and the certified Dolby Vision technology renders every scene picture-perfect.Android TVThis TV comes with Android TV OS, meaning everything you enjoy watching is neatly organised and just a button away. You can also organise your home screen for even simpler access.Optimised for Netflix streaming, the TX-58JX800B has a dedicated Netflix button that takes you straight to your shows. Smart assistantUse Google Assistant to change channels, control the volume or turn your TV on. You can use it to help you to search the Freeview guide, making it even easier to find the shows you love.Filmmaker Mode with intelligent sensingElectronics brands and leading movie directors created Filmmaker Mode. A single button sets the film’s colour-palette, contrast, aspect ratio and frame rate as the director intended. The picture automatically adjusts even if light levels change.Surround SoundOpen up the soundstage to make the soundtrack feel as involving as the big-screen action. Surround Sound helps draw you into what you’re watching to feel more involved with the story.Chromecast built-inEasily cast your favourite movies, music, and more to your TV with Chromecast built-in. Select the content and send it to the TV with a flick of your finger. You’ll be able to see the pictures clearly in all their glory.________________________________Please note: Freeview and some apps & services are only available in the UK. Apps & services may be removed or no longer supported by third party content providers at any time. Some apps & services may not be available at launch and may require a firmware update before becoming available.