During cold and dark night you need something that gives for warmth and light. That’s what this gadget does, but that’s not all. It’s a aluminum cylinder that you can grab a hold of to keep your hand from getting cold. It also works as a flashlight for when it’s to dark to see. Finally, it can also be used as a portable charger for your smartphone.
This smart device has a battery that lasts for three hours when used as a handwarmer, and it can be recharged using a USB up to 500 times. You can get one from CoolMaterial.com för $39.95.