Heated Vest, Vinmori Washable Size Adjustable USB Charging Heated Clothing (Black)
Product Features NO SPECIFIC POWER BANK POWERED – Powered by any 5V/2.1A power bank, USB plug compatible with most power bank in the market ( BATTERY NOT INCLUDED ); 3 SEC FAST HEAT, 0 RADIATION SAFETY – quick smooth electric warmth without radiation HEATING LEVEL ADJUSTABLE – 5 heating level from Pre- heat to Very