TENGOO HV-21A Heated Vest 21 Areas 4 Control Zones USB Charging Winter Warm Outdoor Electric Heating Sleeveless Jackets

Instructions for Use Upon receiving the product customers should open the packaging and allow the item to rest for one day to permit air to circulate within the garment before use Frequently Asked QuestionsQ Is it ok to wash the clothes A Yes remove the POWER BANK supply before washing Q What type of battery is needed A Please ensure that the used mobile power supply is a 5V 2A output with a USB port Q Why doesn t the product work after I received it A Due to vacuum compression packaging it may take a while to lay flat after opening the package before it can work properly Q How to choose a size A The clothing is based on Asian sizing which is typically 2 3 sizes smaller than US EU sizes To ensure the perfect fit please refer to the size chart below to find your correct size and its corresponding measurements Demission cmCloth SizeUS EU SizeChestLengthWidthSXXS1046443 2MXS1086644 4LS1126845 6XLM1167046 82XLL12072483XLXL1247449 24XL2XL1287650 45XL3XL1327851 66XL4XL1368052 8Specifications BrandTENGOOProduct NameSelf Heating VestMaterialPolyesterColorBlackGenderAdults UnisexPower Supply5V 2A Mobile Power Not Included FunctionKeep Warm HeatHeating Part4 Control Zones 21 Heating AreasSizeM L XL 2XL 3XL 4XL 5XLTemperatureLOW Blue light 38℃MID White light 45℃HIGH Red light 55℃ Features 1 1 Minute fast heat dispelling cold and keeping you warm 2 Soft and warm inner fabric offers you great comfort 3 Three gear temperature control red LED for high gear wh