Step 1: Open the system setting function of mobile phone or tablet computer;

    Step 2: Click on the “Bluetooth” function to open Bluetooth.

    Step 3: Click on “Search Device”;

    Step 4: If you search for the corresponding blue night VCI serial number name, click it;

    Step 5: Then according to the screen prompt operation, prompt: If you want to enter a password, the password is: 0000 or 1234.