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When bluetooth distance is out of 20-30 meters and disconnected due to weak signal, the cell phone will be alarm and remind you the key or other objects will be lost.
While device is disconnected with mobile phone, our application will record the disconnection position and help you find the lost items easily.
when the distance between your phone and the finder reach its limit, the finder will automatically track its own location and send a signal to your phone, then your app can track the location. and you will know where you have lost your finder.
