The Midland BT-GO Universal Intercom Headset is the ideal intercom for driver to passenger communication.Driver to passenger communicationBluetooth intercom8 hours of talk timeDSP noise filterGPS/Smartphone compatibleThe Midland BT-GO Universal Intercom Headset is the ideal intercom for good quality driver to passenger communication. It has a battery life of 8 hours of talk time, meaning that it is almost guaranteed to last your journey. This intercom also comes with DSP noise filter which is Digital signal processing, this means that the microphone collects external noise and then through the noise reduction system function inside the ear phone, it replicates the generate a reverse sound wave equal to the ambient noise, which cancels the external noise. This intercom is also compatible with any GPS/Smart phone.