11 Heating Zones This heated vest contains 11 high-performance carbon fiber heating pads. It is safe and harmless with high heating power. It can continuously generate heat in 6 central body areas of the left and right waist, left and right flanks, back and neck, keeping the body warm. Smart Dual Controls Simply press the intelligent key on the stand collar heating vest, you can control the heating zone and heating level easily one button controls the heating zones in the front, and another button controls the in heating zones the back, which can bring you an amazing comfortable experience. Upgrade Power Supply Mode Our heated vest supports USB modes. USB Mode: Works with any portable 5V/2A and above power supply, powered heating temperature range from 25C to 45C, this will better meet your desired warmth. Easy to Operate Package does not include battery pack. After the vest is connected to the battery pack and checked that it works properly. Long press the power button for three seconds to turn on or off. Press the power button again in the on state to switch gears and provide different heating temperatures. For All Occasions Perfect for the daily commute, for people who work outside, wear under their winter jacket or even in an office that is way too cold Ideal gift for family members, friends, employees to enjoy motorcycling, hiking, camping, fishing and other outdoor activities in autumn and winter. Best gift for parents, families and friends in the cold winter.