Football seanson arrivalling enthusiastic . The FBIM bluetooth intercom is one model specific designed and manufacutured for referees. 4 referees can linked and talking at the same time.You could use 2-3 football matches if full charged. Water proof function no worried about the rain. Many coaches chose this model as well. It is more conveniet to your team work. There is special press to talk head set for your choose to protect any pravicy or noise cancelling.
