Rechargeable Hand Warmer : Charging time: 2 hours. Operates for 2+ hours on a full charge. Aluminum shell construction for optimum thermal conductivity. Ideal for sporting events, hunting, fishing, jogging or wintertime parade watching. Keep one in your purse, tackle box, backpack or sleeping bag. Includes 1 hand warmer, wool sleeve and USB cable.
Ever looked at a marble and thought Hey, I could make music with those things! No? Well, me neither, but Martin Molin of Swedish band Wintergatan did, and we're seriously glad about that, because what he's invented is nothing short of genius.