This Anker PowerCore Metro Essential Power Bank is a must-have for anyone in need of charging on the go. It is perfect for Apple products and has one port for charging, with a voltage of 5V. The sleek black design makes it easy to carry around. It is compatible with USB-A and USB-C connectivity, and it also features fast charging capabilities. With a capacity of 20000mAh and 20W PD, you can rely on this power bank to keep your devices charged throughout the day.