Lightweight and PortableAllows you to charge your Surface devices via 45W 15V3A USBC Power Delivery (PD) wall charger or power bank, you only need to bring a USBC charger to charge many devices including Surface on the go. It can also be used as RequirementThis cable requires an USBC charger or charging bank that support 45W 15V3A output. Doublecheck your USBC charger to ensure that it lists15V/3A in the specifications. Some PD chargers didnt support the cable, most phone charger Extreme DurabilityDurable Nylon Braided cable protects wire cores to longevity. Aluminum adopted at both end, made the cable sturdy and durable Charging onlyIt should be noted that this product can only be used for charging surface devices, data and HDMI cannot be transmitted. Each unit is inspected and tested prior to shipment. We stand behind our products with a 12month worryfree war CompatibilityMicrosoft Surface pro7/6/5/4/3, Surface Laptop1/2/3, Sruface Book1, Surface Go1/2/3. This cable is compatible with Surface Pro 8/9 Surface Laptop 5, but due to technical limitations, the system will showSlow charger is connected,