Roku Ultra is the ultimate streaming player. With a lightning-fast interface and channels like Sling . Hulu . Netflix . Disney+ . and HBO Max that launch in a snap . it’s the fastest and most powerful Roku player ever. Stunningly sharp 4K picture brings out the rich detail in your entertainment with four times the resolution of HD. Watch in awe as colors pop off your screen with spectacular Dolby Vision picture and immerse yourself in three-dimensional sound when you combine this Roku streaming device with Dolby Atmos audio. A strong . steady Wi-Fi connection is important for streaming the highest picture quality . especially in rooms farther from your router. That’s why we took our best Wi-Fi in this Roku 4K device and boosted it for even more speed and range . so you can enjoy fast . smooth TV streaming anywhere in your home. Easily search across thousands of channels with your voice . power up your TV . enjoy private listening with included headphones . and set personal shortcuts for your favorite channels with the Roku Voice Remote. Upgrade your streaming with a massive selection of free . live . and premium TV . including Roku Originals only on The Roku Channel. The customizable home screen puts your favorites front and center . so you can spend your time streaming??not scrolling. Setup is simple with everything you need in the box . including a Premium High Speed HDMI Cable. Roku Ultra also works with popular voice assistants. Ask Alexa or Hey Google to launch channels . search for entertainment . control your streaming . and more. You can also control your TV using the Apple Home app or Siri on your Apple devices.