Neither. The charger charges the Lumia 950 and 950 XL faster than Qualcomm Quick Charge 2.0 using a process developed specifically by Microsoft. All Qualcomm Quick Charge verified devices can be found at this link: https://www.qualcomm.com/documents/quick-charge-device-list

Should work, its a standard Typ-C charger.

According to our specifications, this charger is only suitable for Microsoft Lumia 950 and Lumia 950 XL.

This is a 5V / 3A charger (original for lumia 950XL, 3400 MA battery). Certainly compatible with other laptops with a battery of more than 3000 MA, equipped with the USB type C port (recognizable by the USB plug that can be inserted in both directions.

It says on the charger 5V, 3A (According to Amazon: Output power: DC 5V, 3000 mA)