Why does GDB remote have two sets of wires?

Here’s how to find the MAC address for GDB remote. 1. Switch your phone’s WiFi to GDB device’s WiFi which is GDB2_xxxxxx. 2. Open a browser on your phone and

 There is a round hole on the GDB device.  Use a pen or paper clip to hold the button inside for 15 seconds to factory reset the device.  The LED