Actual original Surface Pro charger made by Microsoft.  Don't buy the cheap imitation that can damage your Surface.  This one is the real thing OEM Microsoft 

Excellent condition, complete with a/c cord, ready to use 

With USB port for charging an extra device simultaneously 

Compatible with:
Surface Pro X 10 ,11
Surface Pro 9
Surface Pro 8
Surface Pro 7+
Surface Pro 7
Surface Pro 6
Surface Pro 5
Surface Pro 4
Surface Pro 3
Surface Book
Surface Book 2
Surface Book 3 (13.5" & 15")
Surface Laptop
Surface Laptop 2
Surface Laptop 3
Surface Laptop 4
Surface Laptop 5
Surface Laptop Studio
Surface Go
Surface Go 2
Surface Go 3
Surface Laptop Go
Surface Laptop Go 2