The Roku Express 4K+ 2021 is a high-definition streaming media player capable of delivering stunning 4K and HDR content with ease. Featuring a Quad Core processor, Dolby Vision support, and DTS Digital surround sound, this sleek black device offers a seamless viewing experience. With Wi-Fi connectivity, HDMI output, and Roku OS operating system, it allows for easy access to a wide range of streaming services and apps. Additionally, the built-in voice control feature makes it convenient to navigate and control your entertainment preferences. This latest model from Roku is a top choice for enjoying crystal-clear visuals and immersive audio in your home entertainment setup.