Winter vest with battery system heating clothing warm OUBOHK

Main ingredients:30%wool,70%cotton Dacron,100%Cotton

Color:Black,Grey

Size:S,M,L,XL,XXL,XXXL

Carbon fiber heating film: three slices

Battery: 1 block capacity 4400mAh, voltage 7.4V 

1.Heating film can emit far infrared, promote blood circulation, beneficial to health

2.Heating fast starting, 5 seconds can feel fever.

3.3 gears can be adjusted freely, convenient and practical.

4. Low loss, continuous working time is 4-8 hours

5. The heating system can be washed with water, gently rub, not easy to damage, long service life

6. 7.4V micro working voltage, and has access to relevant safety certification, no security risks.

7. Fashion design, using the finest cloth production, fine workmanship

8. 1 years warranty, eliminate the consumer any worry.