Ultra-thin design | Thinnest at only 8.3mm, the world's lightest magnetic power bank for stable operation. Automatic induction charging | Simply attach the phone to charge without any operation, for a more convenient and quicker charging method. Low current charging | Easily handles low current products without pressure. Magnetic snap design | Easily attaches to Magsafe devices. Safety protection | Built-in protection against overheating, overcharging, short circuits, and FOB.