The Google Chromecast Audio in black allows you to intuitively and wirelessly stream music from your portable device directly to your speaker system. This device has an integrated 3.5mm interface that supports analog and digital connections and it conveniently connects to your home network via dual-band 802.11ac Wi-Fi. In addition to supporting Android and iOS smart devices via the free Chromecast app, the Chromecast Audio supports Mac and Windows operating systems via the Google Chrome browser. At 2.0" in diameter, the Google Chromecast Audio offers easy portability. A 3.5mm cable is included for streamlined installation.