*Unisex Outdoor electric heating jacket *ingredient: 100% polyamide,Lining:100% polyester *heating pad :graphite fiber * Heating Pads: 4 Pads-1on back+1 on neck+2front * Size: S M L XL XXL 3 XL 4 XL (Please note: our inventory areAsian size, all European and American customers must add two sizes) *3 file temperature control, temperature range: 25-45 â *heating time:all mobile power with output of 5V/2Aare available ,If you choose the 8000MA battery, the heating time is 3-8 hours,The larger the battery capacity, the longer it will be heated *color:black/red/blue