The Rock G4010C heat-dissipation game grip has an adjustable design to allow you to freely adjust your phone size from 4 inches to 6.7 inches. Silicon design on the low left and right corners prevents slipping on the phone. It can double as the kickstand and the two-angle design enables adjust it the way you like. It supports touching the screen directly with your finger to enjoy your game without Bluetooth paring, adapter, or other annoying steps. Dual ports heat-dissipation and each port with 9 fan blades provide more wind, which can effectively cool the phone and make your game operates more fluently. This grip has a dual fan that provides quick heat-dissipation and low noise use environment.