【ANTI-LOST KEY FINDER】The smart key tracker is a great gadget to alert you when you are about to forget your belongings. Pair to the app and keep it running at back-end, your phone and key locator will both ring to alert you once it is disconnected, perfect for traveling to avoid losses. 【PORTABLE & CONVENIENT】The smart key finder is designed in compact size and easy to carry around. You can put it in your wallet as a wallet finder or in the bag with your phone as a phone finder or as any other item finder, bringing convenience wherever and whenever you are. 【LONG BATTERY LIFE & STYLISH】Bbattery is included. The Bluetooth key tracking device with super long standby time over 1 months and can be replaced easily for long-term use. Delicate and elegant appearance makes it look like an art of pieces. 【FIND YOUR ITEMS】The key locator is a great gadget to help you search and locate items you always misplaced. Simply attach it to your luggage, wallet, keychain or pets. If you fail to find your belongings, double click the button on the app and it will make your phone beep to assist you to find items quickly and easily. 【COMPATIBILITY】You can check the map location when you disconnect the anti-loss device on your phone; support iOS system and Android 4.3 or higher (require Bluetooth 4.0).