1BLUETOOTH CONNECTION: Connect the locator to the mobile phone through Bluetooth, when something is missing, open the APP to find, efficient and convenient. 2APP POSITIONING: When the mobile phone and the locator are disconnected, the lost location will be recorded in the APP and one click navigation to the address. 3ALARM PROMPT: When the locator deviates from the mobile phone within the lost range (about 15m), the alarm prompt will be automatically turned on immediately. 4MORE FUNCTIONS: This key finder can also remote control selfie and record, which can remotely control mobile phone selfie within 10m to 15m. 5MULTI PURPOSE: This item finder can be used for pets, keys, luggage, U disk, wallet, etc., small and easy to install, no need to worry about the loss of important items.1 x Smart Bluetooth Finder (Battery Included)