The Google Chromecast 1st Gen - Model H2G2-42 USB Plug is a sleek black dongle that allows you to stream your favourite content from the internet to your TV. With its HDMI audio/video output and Wi-Fi connectivity, you can easily access online entertainment in high definition. This 1st generation Google Chromecast also supports Dolby Digital surround sound, enhancing your viewing experience. Perfect for those who want to bring their TV to life with internet content. used with the usb wire, plug and hdmi extension any questions feel free to ask