Designed with the avid outdoor person in mind, the Mobile Warming Men's Smart Thawdaddy 2.0 Heated Vest delivers unparalleled performance with advanced features. The vest is powered by Powersheer, a 7.4-Volt Lithium-Ion battery which holds up to ten hours of power per charge and is able to deliver comfort no matter what nature throws at you. This includes a universal charging port. Mobile Warming's proprietary MW Connect app provides robust connectivity with the ability to control your settings seamlessly. The Thawdaddy vest is an ideal addition as a layering option for evolving winter conditions and provides four different heat settings to maintain a comfortable core temperature. The 100% polyester shell provides protection from the elements while the Sweatsheer technology wicks moisture away from the skin, keeping you warm and dry for hours on end. The compact design makes this the perfect solution for keeping in a car, truck, motorcycle, or boat for those most needed situations.F...