Play Cool Logitech®s ChillStream™ technology helps keep your hands cool when gaming gets really intense. The patented fan assisted active cooling system provides three speed settings that allow you to adjust the ventilation force to meet your hand cooling needs. The Logitech® ChillStream controller provides you with immediate and consistent gaming fun. The precision D-pad has ‘sleep’ and ‘wake-up’ modes and provides extra comfort with its rubber grips. No matter what you play, or how you game, ChillStream™ lets you play longer, play harder, play cooler!