Description 11 Heating zonesBack neck shoulder waist both sides of the abdomen When the power is turned on the whole body can feel the warmIt can be washed by hand or by machineThe product can be immersed in water as a whole and the power interface is insulated and waterproofThe fashion is warm comfortable and breathable and it s a good partner for your winter going outA button to heating three stall temperature control intelligent heatingFast heating dispel cold and keep you warmSpecifications Size Optional S M L XL 2XL 3XL 4XL materialNylonColorRed Black BlueHeated Area11 Heating zonesStyleLong sleeve coatVoltage5VHeating3 Gears 25 35 45℃ Power SupplyUSBPower On Long press for 3sHow To Use 1 Take out USB plug 2 Plug in removable charger 3 Switch on the removable charger 4 Press the chest temperature control switch for 3 second 5 Manual adjustment has three level red light means hign temperature heating continuously White light means medium heating continuously blue light means low heating continuously 6 Press the chest temperature control switch for 3 second lights out and stop heating Considerations 1 It is Not recommended to use high temperature for a long time to avoid burns2 Batteries connecting plugs and chargers should aviod contact with water during operation It should be used in completely dry condition3 NOT for women who has baby young children and those who can not express their willingness4 NOT for those with pacemakers are dis