Connect your streaming devices, gaming consoles, Blu-ray players and HDTVs for an ultimate viewing experience. Supports high resolution and refresh rates up to 4K/120Hz and 8K/60Hz as specified in HDMI 2.1 (supports Dolby Vision). Constructed with gold-plated connectors and three-layer copper shielding to minimizes signal interference. Ultra-durable design with sleek aluminum shell and nylon braided jacket to withstand daily twists and pulls. WARRANTY -- Please note that this 8K HDMI cable comes with a worry-free 12-months warranty. We always strive to offer the best customer service and please don't hesitate to reach out if there is anything we can help you with, we have you covered.