Gold plated connectors and the latest technology allows 4K resolution at 60Hz. Stream content from any compatible USB-C devices and phones. No special software required! Just plug in the adapter to your device then connect to a HDMI cable. For optimal performance, make sure to use HDMI 2.0 cables. Premium aluminum alloy gives this adapter a sleek look that will match any environment. Outside casing is rigid and conducts heat so it lasts longer. Heavy-duty nylon cable gives it extra strength and durability. If you are not absolutely 100% satisfied with your battery case, let us know right away! We will do everything we can to make sure you are perfectly satisfied with your purchase. That's the PowerBear guarantee! Please review the compatibility section for a detailed list of compatible devices.