Smart Key Tracker is an invaluable assistant for everyday travelers and forgetful individuals. Easily paired with the app, if disconnected, the phone's and locator's beeps will alert you of its whereabouts. Compact and convenient, it can be stored in a wallet, used as a phone picker or other item finder--providing utility anytime, anywhere. Featuring a sophisticated, elegant appearance and boasting exceptional battery life (CR2032 battery, 10+ months standby), this Bluetooth 5.0 anti-theft key finder is a practical and stylish addition. To find lost items, simply attach it to a keychain, pet, etc. and double-tap the button on the app for a beep. Compatible with iOS and Android devices 4.3 or later (Bluetooth 4.0 required), the "iSearching" app can be downloaded from the app store or via a QR code in the manual.