Micro-thin stretchable carbon fibers distributes heat
Re-chargeable 8000 mA power bank that quickly charges and provide regulated even heat for hours
3 Temperature Control Options provide Constant Heat on high for up to 3 - 3.5 Hours � Low Medium setting up tp 7 - 7.5 Hours
Adjustable Keypad temperature control with 3 temperature settings
Use alone as heated winter vest or as a heated liner under a jacket