I have a Pearl Flip and a Garmin 1390T GPS. The Quality of the bluetooth reception in poor. The reviews on the Garmin were mostly positive regarding the Bluetooth quality but my first two calls the persons on the other side had problems hearing me.
I'm wondering if there is a upgrade for the BB software that might help. The garmin uses v2.0. I'm not sure what version the Bluetooth is on my Flip. The software version is 4.6.