F5 bluetooth key tracker

The key finder F5 is a smart and ultra thin 3.2mm tracking device; it is developed based on a new kind of Bluetooth radio system (Low energy 5.0 technology). The F5 not only help you to find your stuff where it is, but also help you to keep your stuff never lose again.It is easy to be attached to your wallets, bags, car keys, remotes and other stuff.