1、Fiber Heating Wire: Fiber heating wire, heating speed, uniform heating, can be rubbed and cleaned high temperature resistance, resistance to pulling, not easy to break the heating wire. 2、Three Adjustable Levels: Three intelligent temperature control, long press 3 seconds to turn on, press lightly to change gears at will, machine washable, no longer worry about washing problems. 3、Intelligent Temperature Control: Intelligent temperature control heating, the whole coat eleven heating area, long power supply time, 10000mAh power bank (not included), for example, in low gear, can last for about 8 hours. 4、USB Power Supply: Women heated vest using 5V voltage output, USB power supply, high safety factor, energy saving power consumption less, long service life. 5、Inside Pocket Design: Zipper pocket design, safe to use, avoid losing items, convenient inside pocket design, convenient to place power bank. 1 x Heated Vest Item Type: Heated VestMaterial: Polyester FiberSuitable Scene: Outdoor Work, Outdoor Sports, Home, OfficeSuitable for the Crowd: Boys and Girls Can WearThree Adjustable Levels:Blue Light Energy Saving Level: 25 ℃White Light Comfortable Level: 35 ℃Red Light Warm Level: 45 ℃