The Intercooler Grip allows you to keep your hand cool for those long marathon gaming sessions. This hand-cooling controller attachment comes with a high-quality fan to provide direct airflow in the palms of your hands. Its compact size fits flush to the Xbox One controller(tm). The Intercooler Grip uses its own internal rechargeable batteries and does NOT draw power from your controller. Attachment to hand cooling controller Built-in fan delivers cool air directly in the palm of your hand Powered from an internal battery pack without drawing power from the controller. Fits flush against the controller's natural design.