Head into winter with the ActionHeat® 5V Battery Heated Softshell Vest. This vest delivers maximum warmth with a tri-zone heating system with heating panels methodically placed on the chest and upper back to warm your core body temperature. The USB charging kit can be used to fill the battery in your vest or even your phone. This innovative technology and style keeps you enjoying yourself outside this winter with the inventive ActionHeat® 5V Battery Heated Softshell Vest. Fit Full zip vest Technology Tri-Zone heating system with 3 built-in heating panels Water-resistant softshell sheds rain and snow Advanced heat-trapping insulation layer Ultra-fine metal fiber heating panels Design 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 5-Volt battery voltage Power system, 2 amp Breathable fleece lined soft shell YKK Zippers Additional Details 90-Day Warranty Machine Wash, Gentle Cycle Includes ActionHeat® Vest ActionHeat® 5V Power Bank, 6000mAh USB Charging Kit Estimated Heating Times High (Red): 150F, 2+ Hours Medium (White): 130F, 3+ Hours Low (Blue): 110F, 4.5+ Hours How To Use Charge Up: Fully charge power banks with provided charger kit. Plug-In: Connect the power bank to USB plug located in the pocket. Turn On: Press and hold touch-button control on the chest for 3 seconds. Press touch-button to adjust the temperature.