The IMAK Graphene Cooling cover is a protective phone cover with built-in high end graphene cooling pad and a metal ring for magnetic cover accessories Designed for maximum cooling effect, the IMAK cover has cooling vents built-in with a graphene and alloy heat dissipation pad Reinforced Corners and Raised Bezels around the camera and screen for added drop protection Notification light window and gaps for the pop-up buttons Suits Black Shark 5 and 5 Pro mobile phone