The KeySmart Pro is the ultimate key organizer, holding up to 14 keys and giving you the peace of mind knowing your keys are never lost. With the free Tile™ app, you are able to find your KeySmart Pro on a map. You can also use it to find your phone. The KeySmart Pro holds a charge for up to 45 days and you can recharge it with the included micro USB cable. It also has a super bright, built-in LED flashlight. Locate your lost keys & phone Make your missing keys ring Make your lost phone ring, even on silent! Organizes up to 14 of your existing keys Rechargeable!