Highlights 11 Heating zones fast warm you up 3 Temperature Levels & 2 Power Switches Reliable far infrared carbon fiber heating element Classic black color match any styles Comfortable wearing in chilly winter Details *Features*: *11 Heated Zones*:This heated vest has 11 heating panels scattered from the collar to the lower back for near total coverage. Just slip the vest on to feel chill-busting warmth surrounding your body that will keep you working or playing outside even longer. *3 Temperature Levels & 2 Power Switches*:Come with 3 levels of temperature ranging from 38?/100.4? to 48?/118.4? to 53?/127.4? and individual belly and back heating control,so you can customize your comfort on the go. If you start to feel too warm,simply turn it off and enjoy it as a regular piece of outerwear. *Rapid Warming*:Adopting reliable far infrared carbon fiber heating element,this vest will start heating quickly in 3-5s after powered on. Take the edge off cold and make your whole body warm up in no time. *Comfortable& Lightweight*:Made of lightweight polyester fiber,it will not weigh you down and easy to pack. *USB Powered*:You can use your own power bank with 5V 2A output to power the vest,convenient and safe. Widely compatible with outdoor skiing,winter fishing,mountain motorcycle,bicycle,camping,snow hiking,hunting,outdoor attendance,office daily,and etc.. Tips:It can be washed with 30?/86? or below water. No tumble drying. *Specifications*: ? Product Type: Heated Vest Color: Black Material: Chinlon(exterior)+Polyester Fiber(padding) Size Options: S/M/L/XL/2XL/3XL/4XL Heating Area: 11 Heating Panels Input: DC5V 2A Power: 10W Temperature Levels: 38?/100.4?; 48?/118.4?; 53?/127.4? S Package Size: 46*38*3cm/18.11*14.96*1.18in S Package Weight: 422g/0.93 lbs M Package Size: 50*38*3cm/19.69*14.96*1.18in M Package Weight: 463g/1.02 lbs L Package Size: 52*38*3cm/20.47*14.96*1.18in L Package Weight: 482g/1.06 lbs XL Package Size: 60*40*3cm/23.62*15.75*1.18in XL Package Weight: 539g/1.19 lbs 2XL Package Size: 55*38*3cm/21.65*14.96*1.18in 2XL Package Weight: 532g/1.17 lbs 3XL Package Size: 60*39*3cm/23.62*15.35*1.18in 3XL Package Weight: 583g/1.29 lbs *Package Lists*: 1 x Heated Vest