Google Chromecast Ultra, Genuine Third Generation, 4K Compatible, GA3A00416A16 Used for a short period, it's in very good condition. There are small scratches on the main unit, but no noticeable scratches or stains. ■ Enjoy 4K videos and content on your TV You can easily stream your favorite TV shows and movies to your TV using your mobile device. You can send and receive messages or make calls while streaming without interrupting playback. Also, streaming won't drain your smartphone's battery. ■ Supports streaming up to 4K Ultra HD and HDR Supports 4K Ultra HD and HDR, allowing you to enjoy more detailed images and vivid colors. Even if your TV isn't 4K compatible, it will stream content at the optimal picture quality for your TV. ■ Improved streaming speed and more stable connection Chromecast Ultra achieves even faster loading times and smoother streaming. If your Wi-Fi connection is slow, you can use the built-in Ethernet adapter if needed. ※ A 802.11ac Wi-Fi wireless network is required for 4K compatible products. Recently got hooked on a drama? Why not watch the rest on the big screen? Enjoy streaming on the big screen. Everyone can enjoy it together on the big screen. Movies, dramas, live streams, YouTube, and photos too. Stream from each family member's device to the TV and enjoy it on the big screen. 1 It's a streaming device that has the same features as Chromecast, but is even more advanced. You can easily play, pause, adjust the volume, and more from anywhere in your home using your smartphone.