A glue gun is a useful tool to have for anything from sealing enclosures to potting circuits. This USB glue gun is a great leap forward in the maker world. On the desk, it functions fairly similar to a traditional plug-in model. On the road however, this glue gun can be powered from any 1 amp USB supply. From phone chargers to random USB ports on consumer electronics. If you’re anything like us you probably carry a USB power bank meaning you can use this glue gun in locations completely out of bounds to you before.