The device, a 2.83-inch HDMI dongle, works by streaming the content via Wi-Fi from the Internet or a local network. Users select the media to play using Chromecast-enabled mobile and web apps. Content can also be mirrored from the Google Chrome web browser running on a personal computer or from the screen of certain Android devices.
To entice customers to purchase the device, Google initially offered users free access to Netflix for three months. Chromecast subsequently sold out on Amazon, BestBuy, and the Google Play Store. It was released outside the U.S. in October 2013.