1)Thermal heated vests for winter is perfect for cycling, skiing, fishing, etc., to enjoy outdoor sports in winter.
2)Size: size M-3XL available for men and women of height of 155-210cm
3)Body heating and blood circulation: Warms the human body, consumes excess heat, increases oxygen and blood fluidity.
4)Charged with a USB port that can connect to the power bank (not included), with control switch to prevent too much heat.
5)It is waterproof and low power that does not hurt the body, can wear in the interor of the jacket, it is very necessary for winter.
6）This product will be automatically transferred to 70% heating if you do not press the switch.and the light will turn white after 5 minutes
7)Once pressing the switch,it will be transferred to 45% heating,and the light turns blue.
8)This product will be off after long press the switch for 15 seconds.
first one piece in one polybag
second accordding to products packaged in cartons