All modern smart phones have a magnetic sensor built-in. With a special application, you can easily turn your phone into a metal detector.\r<br>\r<br>\r<br>\r<br>Facebook: \r<br>Twitter: \r<br>Google+: \r<br>\r<br>---Song---\r<br>\r<br>Elliot Berger - The Nameless [NCS Release]\r<br>\r<br>Follow Elliot Berger:\r<br>Like \r<br>Listen \r<br>Subscribe \r<br>Follow \r<br>\r<br>
