Our smaller tracking device works exclusively with Apple's Find My App. Simply attach My Finder to the item you want to track and use the Apple Find My App to locate it. When you are in close range of the Apple Find My ecosystem, you can locate your lost item by selecting "Play Sound" in the app, allowing you to follow the beep to your item. You can also select your item in the app and locate it on the map an anonymous, encrypted process to protect your privacy. With the app's Lost Mode, you can also enter your contact details in the event that your missing item is located by someone in the Apple Find My network. With smart notifications enabled on the device by default, you will receive an alert on your phone when your My Finder is out of Bluetooth range. Verbatim's My Finder is water-resistant, dustproof, and has up to 12 months battery power.Package Includes: (2) CR2032 Battery; (2) Keyring