USB Heated Winter Under-Vest

Why Suffer From Cold When You Can Stay Warm During The Winter? With Just The Push Of A Button, It Provides Your Body Warmth That Lasts For Hours.  It Distributes Heat Throughout Your Body, Efficiently and Evenly Unlike Any Other Heated Vest.  With This USB Heated Winter Under-vest, Your Body Will Stay Warmer, Comfortable, And Toasty, Especially Outdoors. ---USB Powered: This Vest utilizes a built-in USB cable that allows you to connect it to an external/portable power source (POWER SOURCE NOT INCLUDED). That way, you can store the power source in the vest's pocket and walk around with it while it's heating the vest.High-quality Graphite Carbon Fiber:3 Temperature Levels:With 3 separate heating levels, this vest is perfect for any scenario from chilly autumn nights to windy snowy days. It comes with the following temperatures:Red Light - high temperature (65℃)White Light- medium temperature (55℃)Blue Light - low temperature (45℃)Quick and Long-Lasting Warmth: Fast heating in under a mi