Heated Clothing

How does the heating work?

There is no size chart. How do I choose size?

What is the USB cord used for?

What does the different colors on the heated apparels/accessories buttons mean?

Can I wear it on the plane or put it in carry-on bags?

Can I machine-wash it? Do I need to remove the battery first?

Do you offer customization on heated jackets, vests, hoodies or blankets?

What does the buttons on the heated apparel mean?

Why the temperature of the collar is lower than other parts?

What does open-box mean?

Are the wires inside noticeable? Will they poke my skin?

Does it run true to size?

Can I wear it either under or over other clothes? Will this lock the heat?