Relay Bluetooth Controller 4 - NO ADS is an application that allows you to control a Bluetooth 4 channel relay circuit board with ease.

In order to use this application, you will need a smartphone or a tablet with a Bluetooth 4.0 connection.

To start using this application, you will need to connect your smartphone or tablet to the same WiFi network that you have configured on your router.

Once you have connected to the same network, you will be able to control the relay circuit board from your smartphone or tablet.

You will be able to change the state of the relay circuit board from the application.