Long-lasting Warmth: TIDEWE&';s heated jacket features 3 adjustable heat settings with just a simple press of the button, blue shows low, white shows medium and the red indicates high. Up to 10 working hours on the low setting, 5.5hrs on medium setting and 3hrs on high. Three heating elements within the jacket will generate heat across core body areas (left & right chest, mid-back) Superior Safety: TIDEWE&';s heated jacket contains 1 10000mAh 5V battery pack that can be fully charged in 3-4 hours, (quick charge is only 2 hours.) Our heated jacket applies the battery with UL, FCC, PSE, CE certification. The jacket has a body protection function,that will adjust when the temperature is too high. It will stop heating immediately, keeping you warm and safe at the same time Wear-resistant & Warm: TIDEWE&';s work jackets adopt an ultra-wear-resistant material, equipped with YKK zippers to make the jacket itself more durable. TIDEWE water & wind-resistant breathable exterior polyester fabric provides a soft and comfortable fit. At the same time being fully insulated with 180g of insulation that will maintain heat throughout the jacket and provide warmth in cold working environments User Friendly Design: A portable power bank with 2 USB ports is offered, with which you can heat your jacket and charge your phone at the same time. The adjustable cuff and customized hood and high-quality YKK zippers are designed to protect you from the cold and wind. Our jacket design is also machine washable in order to clean the product when necessary Best for All Activities: Quick charge and up to 10 working hours by our portable 10000mAh power bank, you can stay warm during all outdoor activities like hunting, ice fishing, winter sports, snowmobiling, and even outdoor work