The controller grips provide a more comfortable mobile gaming experience. Charges any Qi wireless enabled phone, so you won’t have to worry about cable types and connections. Charge while you play, without the need for wires. The paitent-pending magnetic battery pack is as a 3000mAh power bank. It can charge wirelessly with any Qi Certified wireless charger, like our HyperX Charge Play Base, or via USB connection. Simply expand the grips and slot your phone into place. It is compatible with phones from 129mm to 172mm in length. Optional wired charging available.