15W Magnetic Power Bank: No cables neededsimply attach the magnetic power bank to the back of your iPhone for seamless wireless charging with up to 15W of power anytime, anywhere. Note: Thick phone cases may reduce magnetic charging performance. 10N Strong Magnetic Force: Built with a powerful 10N magnetic force, this portable charger securely attaches to your iPhones back, staying firmly in place while you charge. Effortlessly use your phone one-handed for selfies, video calls, or streaming. Magnetic attachment is compatible only with iPhone 16/15/14/13/12 series.