The Intercooler Grip is the best way to keep your hands cool during those long, marathon gaming sessions. This hand cooling controller attachment has a high quality fan built-in to deliver direct airflow to the palm of you hands. Its small and compact design fits flush on the controller without altering the natural design of the Xbox One™ controller. The Intercooler Grip contains its own internal rechargeable battery pack and does not draw power from the controller. Hand cooling controller attachment Built-in high quality fan delivers cool air directly to the palm of your hands Powered by an internal battery pack and does not draw power from the controller Fits flush with the controller without altering the natural design