This is a Google Chromecast with Google TV (4K) in Sky Blue. It features a Dual Core processor, Dolby Digital surround sound, and supports up to 2160p (4K) resolution. It runs on the Google TV operating system and includes Bluetooth, Wi-Fi, and HDMI connectivity. Please note that it comes with everything except the official USB cable, the cable included is unofficial but has been tested to work. This has hardly been used, and maybe has less than 24 hours of usage time.
