The Xumo Stream Box 4K UHD Streaming Device Version 1.1 ESST11AEI is a black quad-core media streamer that supports Dolby Vision and Dolby Audio surround sound formats. It offers Wi-Fi connectivity and HDMI audio/video outputs for easy setup and streaming of 4K content. With voice control capabilities and a 1-year manufacturer warranty, this 1st generation box is designed for an immersive media experience. Based on the Linux operating system, it provides a seamless and user-friendly interface for accessing online entertainment. Unopened