Mens Battery Heated Jacket Powerful Tri-Zone heating system includes 3 built-in heating panels on the chest and upper back to warm your core body temperature. Touch-Button Control Technology (3 settings) 4 LED power indicators display power banks battery life. 2 zippered pockets plus hidden battery pocket Cinch bungees for a comfortable fit. Battery Voltage: 5-Volt Power System: 2 amp Fabric: 94% polyester. 6% spandex. Breathable fleece lined soft shell. Water-resistant softshell sheds rain and snow. Advanced heat-trapping insulation layer. Ultra-fine carbon fiber heating panels. YKK Zippers Estimated Heating Times: High: 150F – 2+ Hours Medium: 130F - 3+ Hours Low: 110F – 4.5+ Hours Includes: (1) ActionHeat Jacket (1) ActionHeat 5V Power Bank (6000mAh) (1) USB Charging Kit This water resistant softshell jacket has multiple heating panels powered by ActionHeat's patented Signal technology, which can be used with nearly any 5V battery. Advanced heat trapping insulation provides maximum warmth without the bulk. Action Heat Men's ActionHeat 5V Battery Heated Jacket