Fitian Magnetic DC Charging Cable cord for Microsoft Surface Pro3 / Pro4 Specially design for Microsoft Surface Pro3 / Pro4 at Home, in Office, in Car or on Travels. Designed to meet or exceed your original manufacturer's ac adapter Gold-plated conductive contact and I/C Chip technology offer you faster stable charging and prevents your tablet's battery overcharging The charging cable includes strong magnetic connector The charging cable plug size: 5.5x2.5mm; Please please compare the plug size before add to cart