• Compatible with Microsoft Surface Pro 3, 4, 5, 6, 7, Surface Laptop 1, 2, 3, 4, Surface Book 1, 2, and Surface Go 1, 2, 3. • Requires a USB-C power source or external battery with a 45 W (15 V / 3 A) output compatible with Power Delivery (PD). • Made with durable braided nylon to protect the internal conductor and high-quality aluminum connectors. • 2-meter length providing comfort and flexibility while charging in different environments. • Designed exclusively for charging Surface devices; does not support data transfer or HDMI video output.