ActionHeat 5V Women's Softshell Battery Heated Vest Color:Sharkskin Grey Thermal seal provides the heating

Thermal seal provides the heating system with durability & moisture protection

It is powered by a compact 5-volt rechargeable battery

or any USB-charged device

strategically placed to warm your core body temperature

The Rechargeable ActionHeat socks reach a maximum temperature of 140F and can last up to 7 hours

ActionHeat 5V Women's Softshell Battery Heated Vest Color:Sharkskin Grey Thermal seal provides the heatingThe ActionHeat 5V Battery Heated Vests are revolutionary in the world of heated clothing. Using the patented 5V signal technology, it allows for most 5V battery to be used with the ActionHeat Jackets and Vests. The ActionHeat Vest comes with a super powerful ActionHeat 5V Power Bank 6000mAh. This power bank powers your garment and can also charge your phone, tablet, or any USB charged device. Note: Heating times will diminish if used to charge other