65W 15V 4A AC Power Charger Adapter Supply (Suitable for 44W, 36W,24W) for Microsoft Surface Book Surface Pro 3,4,5,6 Surface Go Surface Laptop 2 with USB Charging Port and 6ft Cord, fit Model 1706About TG-TECH *We provide a full money-back promise within 30 days. We also will freely exchange the product or give you some refund if it become defecti..