Google's new video-streaming device, Chromecast Ultra, will support a higher-resolution video format called 4K. Larger, more expensive streaming devices such as the $100 Amazon Fire TV already do that. Ultra will cost $69.

Meanwhile, Google wants to improve Wi-Fi in the home by creating its own router. The company said people use internet differently now, with games, video chatting and more on various devices throughout the home. The new Google Wi-Fi system will cost about $130 for the main device. A three-pack for larger homes will cost about $300.