Creative magnetic back clip wireless power bank. The Awei B2 is the best choice for users who prefer long-distance travel and lead an active lifestyle. In addition, the battery pack is also a stand-alone power bank capable of charging other devices with a USB cable. LED power level indicators accurately display remaining power. Easy-to-use single button controls all the case functions. High capacity battery more than doubles the power of your phone. Supports data transmission. Over-charge and short circuit protection. Battery capacity: 4000 mAh Output current: 5V - 2.4A Mobile device not included. What's in the box 1X Awei B2 iPhone X Magnetic Cover, 1X Awei B2 detachable battery pack, 1X User Manual