i have a bluetooth mouthpiece, but when i am driving and talk, couple times the other party told me sound was broken or distanced, so i went to buy an earplug with microphone, which is very good (costed 4 bucks on ebay).
i have a bluetooth mouthpiece, but when i am driving and talk, couple times the other party told me sound was broken or distanced, so i went to buy an earplug with microphone, which is very good (costed 4 bucks on ebay).