Hi Guys, I am new here in ths forum

I am having a problem with my JVC Headunit Bluetooth, this is the unit, Click

The problem that I am having is tha the bluetooth mic tha came wih the unit is a completly garbage :/ I also test the Garmin Bluetooth and I got the same garbage quality :/ people are always complaning that they cant hear me well, if i close the mic to my mounth then it work well, but I dont want that, I want to place the mic on the rear mirror but wih this mic that is impossible :/...

Can someone please tell me what other mic can I use and get good call quality?

I know guys that this is a car PC forum but I am desesperate this mic is driving me crazy lol