1. This cable is 8K Ultra HDMI. Realistic details, supports 7680 x 4320 resolution transmission, allowing users to experience true-to-life visuals. 2. This product is resistant to connection and does not rust. The interface uses a gold-plated process to effectively prevent interface oxidation and ensure lossless transmission of image quality. 3. This adapter cable synchronizes audio and video output, automatically syncing audio and video without manual adjustment, so you can enjoy a smooth audio-visual experience. 4. The 8K cable is essential for 8K ultra-high-definition TVs, meeting all your high-demand requirements, such as immersive gaming and an immersive viewing experience. The features of the HDMI cable will significantly broaden your horizons. 5. Achieves synchronized audio and video output, automatically syncing audio and video without manual adjustment, allowing you to enjoy the audio-visual experience.