USB Port: 5V 1A 5W. Compatible devices Surface Pro 3/4/5/6/7/7+/8/9/10/11, Surface Laptop 1/2/3/4/5/6/7, Surface Book 1/2/3, Surface Go 1/2/3/4, Surface Laptop Go 1/2/3/4, Surface Laptop Studio Surface Pro 3/4/5/6/7/7+/8/9/10/11, Surface Laptop 1/2/3/4/5/6/7, Surface Book 1/2/3, Surface Go 1/2/3/4, Surface Laptop Go 1/2/3/4, Surface Laptop Studio.
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