10 Gadgets That Will Turn You Into a Superhero

5. Undrownerability

Kingii is the new wristband for all those who love water! If you need help to stay afloat, pull the lever and an inflation bag will pull you to the surface.

The Kingii fits on your wrist, stays out of the way, is rechargeable and is there when you need it most. The smallest inflatable in the world is perfect for every activity and every environment around the water. Whereas it cannot replace a life vest, it can be a great addition to existing security equipment.