Description: This adapter requires an USB-C charger and USB-C cable or charging bank that 45W 15V 3A output.please ensure you have an USB-C PD charger or PD Power Bank that 15V 3A output before using this cable. Widely compatible: for Microsoft Surface Pro3 Pro4 Pro5 Pro6 Pro GO Laptop Book2 Book1 The magnetic core is made of oxygen-free copper. Built-in PTC protection, which can effectively control the heat generated under abnormal application conditions, and improve the application safety of cables and equipment.Outer shell is protected by a durable TPE coating for a longer service life Travel friendly with portable and compact design(Size:1.83x0.25x0.45 inch lightweight and portable This adapter allows you charge your Laptop via USB-C (Type C) PD wall charger or portable power bank (requires 45W 15V / 3A output), enhanced convenience for charging. Specification: Product output 15V 3A Product power 65W Product material PVC Note: It needs to be used with PD power supply 15V 3A, 45w or above charger. Package Includes: 1x USB-C Charging Adapter(2 pack)