L Ergonomics All-area Heating: 8 carbon fiber zones heat up swiftly in seconds, adjustable in 3 heat modes( Red, White, Blue) for full-body warmth and comfort. 18400mAh Battery Pack: CE & FCC certified 12V battery offers 3.5-5.5-9 hours of warmth with a quick 6-hour full recharge; LED display monitors power, USB port supports fast smartphone charging. Smart Independent Control: Control the heating areas of the back, neck, abdomen, and arm with 3 buttons, and a total switch button to switch on/off all areas. GOTOBI heated jacket for men has built-in NTC temperature sensors in each heating area, which will regulate temperature evenly and prevent overheating. 3 Temperature Up To 149 : GOTOBI men's heated jacket provides 3 options (High: 149 , Medium: 131 , Low: 113 ) to ensure comfort. Perfect for winter, hiking, camping, fishing, and daily wear.