Notice Type-c to Surface charging cable requires an USB-C charger or charging bank which support 45W (or Maximum PD65W) and 15V3A output. Doublecheck your USBC charger to ensure that it lists "15V/3A" in the specifications Some PD chargers didn't support the cable | Charging only It should be noted that USB-C to surface Charger Cable can only be used for charging surface devices, data and HDMI cannot be transmitted. Each unit is inspected and tested prior to shipment | Compatibility Microsoft Surface Pro 6 / Pro 5 / Pro 4 /Pro 3, Microsoft Surface Book/ Book 2, Microsoft Surface Laptop, Laptop 2 3 4 Studio | Extreme Durability Durable Nylon Braided cable protects wire cores to longevity High quality conductor copper wires with quality circuit and intelligent chipset provide multi-protections, shielded by a durable TPE coating for longer lifespan. 100% tested prior to shipment | Buy With Confidence Package included length about 6.6ft Type-c to Surface Charging Cable2-pack Black.gudxfj is committed to provide our customer with high quality products and friendly customer service. If you have any questions, we will resolve your issue within 24 hours