Next Generation Smart Heated Vest, Please refer to our size chart below before ordering., Don’t let low temperatures take a bite & ruin your winter!Putting on tons of clothes is not the solution, either. Get a vest thatkeepsThe freeze away from youaltogether,without needing any extra layers!Introducing ourSmart Heated Vestitkeeps youwarm whenever, wherever., This vest was made specifically torestore your body’s vitality, relieve any muscle pain, and promote blood circulationwhilekeeping your body warm and cozy. Thishigh-end heated material enablesquick smooth electric warmth without radiation., Adjustable Small breeze to artic snowstorm, simply choose the setting that works best for you at the time., Instant Warmth Defeat even the coldest weather simply with the press of a button., RechargeableSimply plug any regular 5V power bank you would use to charge your phone & enjoy up to 10 hours of warmth & comfort. Unplug and charge at home when finished, Adventure Proof Great forriding, skiing, rock climbing,fishing., , Red Light (flashes)automaticheating Red Lightmanualheating,hightemperature White Lightmediumtemperature Blue Lightlowtemperature, Please note: This jacket CAN BE USED WITHANY PORTABLE POWER BANK 5V BATTERYavailable in the market. ThiserDOES NOT currently come with a BATTERY due to shipping regulations.