12 Best Key Finder, Locator With App For Keys, Luggage, Wallets And More 04/28/21 AT 11:17 AM One of life's biggest inconveniences is forgetting where we left our keys, causing us to run late. Thankfully with technology, we finally have devices to locate our commonly-misplaced essentials. These are small attachments for your keys, notebooks or bags that alert you of its location through the built-in alarm in each tag. Some of these devices come with Bluetooth and app-based compatibility that allows you to look for your items with just a few taps on the app. Here are some of your best options to help you track your everyday essentials.