The Powerwave mAh power bank features a slim aluminium unibody design that fits easily in any pocket. With a 5, 000 mAh capacity, it supports 15W magnetic wireless charging (MagSafe, Qi1 & Qi2) for easy, cable free charging. It also includes a 20W (PD 3. 0) USB C port to charge laptops or other devices as needed. The LCD display shows battery level and charging status, while a smart chip offers protection from overcurrent, overcharging, overheating, and short circuiting. Designed with a magnetic snap for quick, secure attachment. Magnetic snap design.