The BTA-2 is a Bluetooth transmitter/receiver that allows you to connect your phone wirelessly to record remote interviews. Once connected, you can use any application such as Skype, Zoom, Phone, and many others to bring in guests located elsewhere and interview them for your podcast. The BTA-2 has 2 connectors, a 3.5 mm TRRS connector for the audio signal on the right, along with a 2.5 mm TRRS power connector on the left. The simple setup will allow you to record in no time.