The only necessary thing you have to do is to put the phone on the wallet, and the charging will begin!!! How is this possible? The wallet is based on inductive charging (Qi standard), it means that no cables are required to charge the phone. Just put your phone on top of CHAARGO and charge... Wirelessly, no cables. As simple as that! CHAARGO is using the newest Qi 1.2 technology, guarantees fast charge, the same as a USB wall adapter. It contains a big 4000mAh Li-ion battery, so you are covered, wherever you go! High-quality synthetic leather and solid stainless steel case guarantees high durability