A Blu-ray player is a device designed to play Blu-ray discs, which are high-definition optical discs that offer superior video and audio quality compared to standard DVDs. These players can also play regular DVDs and CDs, making them versatile for various media formats. Many Blu-ray players come with additional features, such as internet connectivity for streaming services like Netflix and YouTube. In addition to playing movies, some Blu-ray players support advanced technologies like 4K Ultra HD and HDR (High Dynamic Range), enhancing the viewing experience with sharper images and richer colors. They often include features like built-in Wi-Fi, USB ports for media playback, and compatibility with Dolby Atmos for immersive sound.