Features: ?lAnti-Lost Key Finder?zSmart Key Tracker is a great little tool to remind you when you want to forget your belongings. Pair it with the app and keep it running on the back end, once it's disconnected, the phone and key locator will ring to alert you,perfect for traveling and avoiding loss. ?lPortable and Convenient?zThe smart key finder has a small design and is easy to carry. You can put it in your wallet as a wallet picker, or together with your phone as a phone picker or other item picker, bringing you convenience anytime, anywhere. ?lFind Your Items?zKey Locator is a great little tool to help you search and find the items you always misplaced. Just hang it on your luggage, wallet, keychain or pet. If you can't find an item, double-tap the button on the app and it will beep to help you find it quickly and easily. ?lCompatibility?zWhen you disconnect the anti-lost device on your phone, you can check the map location.