COMPATIBLE ONLY WITH Surface Pro 7. Juiced Systems is the original accessory maker for the entire Microsoft Surface product line. We have been custom building accessories to support the Microsoft Surface ecosystem since the original Surface Pro was released. Questions and inquiries are fully supported. Adapter comes with a 1 year warranty. Designed in Orange County California. 4K HDMI: Utilize the full capabilities of your Surface Pro 7 with the only adapter that can support 4K @ 60hz refresh rate USB-A: Two USB-A ports supporting 10Gbps USB 3.2 Generation 2 transfer speeds. Maximize the data bandwidth and peripheral inputs with no compromise GIGABIT ETHERNET: Lag-free continuous Gigabit Ethernet (10/100/1000) support. Eliminate the need for WiFi and direct connect your Surface Pro 7 device to your router. USB-C: The USB-C port is USB 3.2 Generation 2 10 Gbps compliant. Make super fast data transfers with the USB-C port.