The ActionHeat 5V Battery Heated Jackets are revolutionary in the world of heated clothing. Using the patented 5V signal technology it allows for most 5V battery to be used with the ActionHeat Jackets and Vests. The ActionHeat Jacket comes with a super powerful ActionHeat 5V Power Bank 6000mAh. The ActionHeat Vests and Jackets are machine washable and include a 6000mAh power bank and charging kit. The ActionHeat Vests and Jackets have touch-button technology with 3 heat settings (High (Red): 150F – 2+ Hours Medium (White): 130F - 3+ Hours Low (Blue): 110F – 4.5+ Hours).