N-COM B902: SMARTPHONE, MUSIC, GPS, FM RADIO, APP

N-Com B902 system: pairing up, connection and use with the smartphone (calls and music), the GPS, the FM Radio, the N-Com EASYSET App.

[@gordonjohnston3845]

Can this be linked to more than 1 other non ncom headsets?

[@nattawutkon]

How to increase/decrease the sound