How to manage elegantly with keys that like to hide in different places of your home? The best idea is to collect the most-needed and fasten them together so that they are always at hand. So what choice do you choose for a keyring that best suits your task? Ordinary metal ring could be enough, but in times when everything is "smart" expect even the small things additional functionality. A great example is the modern key fob. It is distinguished by design and the fact that it comes with a 30cm Lightning USB cable. The pendant is made of real leather, even the cord is covered with it all its length! This is probably the first gadget you've ever encountered. Thanks to it you will have the most important keys always with you, and you can also charge your phone or transfer files between devices.