Power in a Snap: The portable power bank without pressing the power button, just sticks to the back of the mobile phone(without case or with a magnetic phone case), and it can automatically charge your mobile phone. Wireless charging 5W suitable for AirPods/3/Pro; iPhone 12/13/14 series 7.5W; Samsung/LG/Google Android series up to 15W Charge Max 3 Devices Simultaneously: The wireless battery bank can charge 3 Devices at the same time, Support up to 15W wireless charging, maximum of 22.5W USB-A PD output and maximum 20W USB-C output