This rechargeable USB hand warmer is a great product that will keep your hands warm. Simple to charge using a USB power cord, provides heat for hours, and easily fits in your pocket. See:
This little gadget has attracted lost of attention from my friends and family members asking what it is and are fascinated when I show them how it works.
You will be the envy of all your friends and colleagues when they are freezing and you have toasty warm hands.