Chromecast is a line of digital media players developed by Google. The devices, designed as small dongles, enable users with a mobile device or personal computer to play Internet-streamed audio-visual content on a high-definition television or home audio system through mobile and web apps that support the Google Cast technology. Alternatively, content can be mirrored from the Google Chrome web browser running on a personal computer, as well as from the screen of some Android devices.
Chromecast
offers two methods to stream content: the first employs mobile and web apps
that support the Google Cast technology; the second allows mirroring of content
from the web browser Google Chrome running on a personal computer, as well as
content displayed on some Android devices.[6] In both cases, playback is
initiated through the “cast” button on the sender device.[7]
When no content is streamed, video-capable Chromecasts display a user-personalizable content feed called “Backdrop” that can include featured and personal photos, artwork, weather, satellite images, weather forecasts, and news.[8]
If a television’s HDMI ports support the Consumer Electronics Control (CEC) feature, pressing the cast button will also result in the video-capable Chromecast automatically turning on the TV and switching the television’s active audio/video input using the CEC command “One Touch Playback