Itâs when traveling outdoors that you really understand the importance of portable gadgets. A portable iron is one device you wouldnât want to miss out on, especially when it touts to be the worldâs smallest. Steam bug, the smallest steam iron in the world, heats up in 15 seconds and is safe for most fabrics. It features three temperature settings, one-touch steam control and it’s dual-voltage for worldwide travel. It is available here for $25.