Patented Carbon Fiber non-metallic heating element built-in on the back of vest. Powered by AA or rechargeable batteries to heat up 40 degree C in 5 min., heat lasting up to 420 min. Micro Controller with 3 temp. setting (option). With Far Infrared Function. Perfect for winter outdoor actitivies like hiking, hunting, skiing, fishing, camping , snowboarding, motorbiking, riding etc. Also good for person in poor blood circulation.
PETATECH INTERNATIONAL CO., LTD. 6F., No. 101, Zhouzi Stl., Neihu District 114, Taipei, Taiwan, R.O.C.
