TENGOO HV-21D 21 Zones Heating Vest Four Switch Control Smart Heated Vest USB Electric Color-blocked Thermal Sleeveless

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 2 1A 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 SizeChestLengthWidthSXXS1026342 5MXS1066544LS1106745 5XLM11469472XLL1187148 53XLXL12273504XL2XL1267551 55XL3XL13077536XL4XL1347954 5Specifications BrandTENGOOProduct NameSelf heating VestMaterialPolyesterColorBlack PinkSizeM 5XLFunctionKeep warm heatHeating Part4 Control Zones 21 Heating AreasTemperatureLOW Blue light 38℃MID White light 45℃HIGH Red light 55℃Features 1 Thermal Fleece Made of high quality thermal fleece material which provides excellent warmth and comfort during outdoor activities 2 Dual color Design The black and pink dual color combination adds a stylish and trendy touch to the vest 3 Adjusta