The Product is a 20W Power Bank with a Ring Holder. It supports wired and wireless charging and can charge three devices simultaneously. It charges mobile phones, tablets, e-book readers, watches, and game consoles. It supports PD3.0, QC3.0, and AFC fast charge protocols. It is compatible with 5W, 7.5W, 10W, 15W magnetic charging. N52H Ultra Strong Magnets hold the phone securely and ensure continuous charging. The LED indicators let you know the remaining power in real-time. The product has a built-in smart chip and a variety of safety protections such as over-charge, over-discharge, over-voltage and over-temperature protection.