The Anker 521 Nano Pro Is A Compact And Powerful Charger That Offers Fast Charging For Your Usb-C Devices With Its 40W Output. Despite Its Small Size, It Utilizes Gan Technology To Deliver Enough Power To Quickly Charge Your Phone, Tablet, Or Even A Macbook Air. It Comes In A Sleek White Finish And Boasts Advanced Safety Features To Protect Your Devices. Product Specifications: Manufacturer: Anker Output Power: 40W Technology: Gan (Gallium Nitride) Input: 100-240V Ac Port: Usb-C (X2)