Device Finder can find bluetooth devices and detect nearby metal. Has the following functions:

1) Find the Bluetooth device: You can search for the location of your Bluetooth device, and you can know the approximate location of the device by calculating the distance according to the Bluetooth semaphore;

2) Metal detector: you can find keys, find small screws dropped on the carpet, and even find the wires on the wall and other scenes!

NOTE: If your phone compass doesn't have a magnetometer inside it won't work.