Description: 
Material: fabric nylon + lining polyester fiber + carbon fiber heating sheet 
Features: Intelligent three-speed temperature control can be adjusted, warm and warm, suitable for winter wear 
Color: Black, Blue 
Size: XS/S/M/L/XL/2XL(NOTE: Please do not use the Amazon sizing chart or your normal sizes from clothing stores.Please refer to Size Chart in the picture) 

Instructions 
1.Take out USB plug 
2.Plug in removable charger 
3.Switch on the removable charger 
4.Press the removable charger 
5.Red light flashing, means heating automatic 
6.After red light flashing for 5 minutes, then automatic turn to white light, means medium temperature 
7.Manual adjustment has three level, red light mear hign-temperature heating continuously, white light means medium heating continuously, blus light means low heating continuously 
8.Press the chest temperature control switch for two second, lights out and stop heating 

Packing Includes: 
1*Vest(Not Include Mobile Power)

Washing instructions 
Take out removable charger, Neutral detergen' is available, hand wash, do not force knead or beat, After neutral alr drying can be use 

Note: 
1.If not used for a long time, please do not plug in removable charger 
2.Do not use high temperature water or strong acid detergent 
3.Forbidden to use electricity for wet clothes, Please turn off the power and stop using if cloth is wet 
4.Use time depending on the capacity of removable charge 
5.This product needs to be connected to mobile power when it is heated (need to prepare by yourself)