Ultra-Light MaterialPolyster shell with Carbon Fiber wire,which is Water-resistant and Wind-resistant
POWER BANK POWERED [NOT INCLUDED] Powered by a 5V/2.1A power bank[ NOT INCLUDED],USB plug compatible with most power bank in the market
One Key Intelligent HeatingHeating Part- Back &Neck. Two carbon fiber heating elements generate and trap heat across back of core body areas. High/Medium/Low heat settings allow you to change the level of warmth with the push of a button.
HEALTH CARE HEATED VESTHelp promote blood circulation, relief pain of muscles.Best warmer gift for parents and families
Easy CareHand wash . DO remember remove the power supply and make sure it gets dried before using