Get instant thermal comfort whether you're hot or cold with the comfortpak wearable cooling + heating device. comfortpak gives you control over uncomfortable temperatures at home, in the office and outdoors. Simply push the power slider button down for cooling or up for heating, then adjust the temperature to your desired setting, (low, medium, or high.) comfortpak instantly produces a warm feeling similar to holding a warm mug or a refreshing chill like a cold towel around your neck, but without the wet mess. Wear comfortpak around your neck using the included soft-touch, lightweight 360° lanyard or use as a handheld device placing against the inside of your wrists or holding in your palms. comfortpak's portability provides the freedom to use while on the sidelines of a game, at your desk or even hiking or biking. Cut the cord of space heaters and fans, stop dressing in extreme layers, ditch the bulky blankets, and discover the new way to control your comfort with comfortpak.