This Surface connect cable allows you charge your Surface Pro or Laptop via USB-C (Type-C) PD wall charger or portable battery pack, enhanced convenience for charging. | 【REQUIREMENTS】Your charger or power bank MUST support 15V/3A PD output via USB-C, 45W output or greater for Surface Pro and Laptop. | Specially Designed for Microsoft Surface Pro 7/6/5th Gen (2017)/4/3, Surface Laptop 3/2/1, Surface Go, Surface Book 1 (NOT compatible with other models). | High quality 51 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. | Travel friendly with portable and compact design, a great way to power up on the go. 12 month worry-free warranty.