Easily connect your phone: This key detector works with Bluetooth 4.0 technology to connect Android, iOS, iPad and other smart phones. You can download the free "iFundU" app and then pair it with your smartphone, you can make the product turn to find your things with the app. The work zones with anti-loss reminders are about 66 feet inside and are affected by Bluetooth signal strength. Find it all: Our GPS plotter is very handy for finding your items. Display lost keys, wallet, remote control, glasses, phones, dog collars or other from you in the app so you can find them accurate. Works perfectly around the house. Just press the button and follow the sound, you will never lose your valuables again! Location and tracking: The current position of the item can be controlled on the mobile phone, and the last remaining position can be checked after relaxation. Our gadgets locate where you last left them on the nearest street, then give you the strength of the signal leading you to your lost item. Two-Way Search : You can even find your phone by pressing the gadget button, you can double click the product button to call your phone. It will send a ringtone to the phone until you find your phone! Remote-controlled self-portrait: Serves as a remote self portrait shutter, you can remotely control the smartphone camera by pressing the search button.