Superior Heating Effect Longer Heating Duration 3 sec quick heating with 5V 2A safe battery 3 Temperature Levels Click the power button to switch between high, medium and low temperature gear 5 Larger Heating Zones Larger heating zones,According to your preference, use the 2-in-1 button to control the front and rear separately Smarter Heating Mechanism Automatically turn to medium level from high level to avoid over heat Previous page Next page 1 Thickened collar 2 Water Resistant Fabric 3 Soft Lining 4 Dimensional Zipper 5 Drawstring Hem Keep Your Body Warm Carrying Bag with Zipper WHAT YOU GET? Leapsee Men's Heated Vest.Leapsee 10000mAh Battery Pack with 1m length USB - Type C Charging wire.English Manual Operation Steps Easy to Use 1: Open the inner pocket zipper, pull out the wire and connect it to the USB port of the power bank.2: Long press the chest button about 2 sec until lights on to start heating, you can press the buttons with different icon to choose heat front and rear part separately or simultaneously.3: Short press the buttons to shift to 3 different temperature levels.4: Long press buttons about 2 sec until lights off or disconnect the power bank to turn off the heating. Model Show Fashionable & Comfortable Model Height: 5.84 feetModel Weight: 128 lbsWearing Size: Medium Heated Series Mens Heated Vest Womens Heated Vest Heated Gloves Unisex Heated Vest Battery Mens Fleece Heated Vest Womens Fleece Heated Vest Heating Duration Up to 8 Hours Up to 8 Hours Up to 7 Hours - Up to 8 Hours Up to 8 Hours Heating Levels High-Medium-Low High-Medium-Low High-Medium-Low - High-Medium-Low High-Medium-Low Weight Super Light Super Light Super Light Light Super Light Super Light Water Resistant Machine Washable