It is a power bank that doubles up as a portable battery pack, especially for MagSafe compatible iPhones. It attaches magnetically to the back of a compatible iPhone – iPhone 12 and above models with MagSafe. With a 2,500mAh battery built-in, this power bank has a USB-C port for charging and reverse wired charging. It features a power button next to the LED indicator to show the charger level. It also doubles as a traditional Qi charger, meaning it can charge AirPods, Samsung Galaxy Buds, and any other device that supports Qi standard for wireless charging.