The 5000 mAh 15W Wireless Magnetic Power Bank attaches to the back of your phone and allows you to charge it while in use. It's small, lightweight and composed of ABS and silicone. Use it at work, at home, in your car, or practically anywhere! The N52 magnet ensures that the power bank is securely attached to your phone and doesn't fall off. It also has a Type C input and output port so that you can charge another device at the same time.