Bluetooth Digital Amplifier that allows professional communication between two people in the car and the pit at the same time through Bluetooth smartphone connection. Noise and voice can be digitally set to fine tune noise canceling and voice. Communication can open up automatically or via PTT button (optinal extra). Digital Noise Filters and Voice Equalisation Multifunction Touch Display Nexus connectors, L=2m cables Car Camera Audio output (RCA) Car battery cable 12V. Software updates through USB-C port black rugged cover. Contact us for shipping.