Cool Air with Vibration Massage Cool Air with Vibration Massage is the personal cooling system that rests around your neck to provide a cool and breezy sensation. Simply add a small amount of cold water and press the “cool” button. Aluminum plates cool your neck, while a motorized fan cools the back of your neck and head. For stress relief, switch on the optional 2-speed vibration massage. The self-adjusting collar fits most neck sizes.