The Roku Streaming Stick 4K HDR Dolby Vision Streaming Device 3820R is a brand new dongle that allows users to stream media in high definition. With a maximum resolution of 2160p and support for Dolby Vision, viewers can enjoy a visually stunning streaming experience. The device features connectivity options such as HDMI, Wi-Fi, and a USB port, along with voice control and a remote control finder. The Roku OS operating system ensures smooth performance, while the inclusion of Google Assistant allows for convenient smart home integration. This black streaming stick is a versatile and reliable choice for those looking to enhance their viewing experience.