A:Answerthere is hearing test that adjust low, med, and high frequencies for your ears separately. there is a world volume level adjust, but I found I can only use half of the volume before getting ringing feedback in my ears.
A:AnswerWorks perfectly for hands-free phone calls. No complaints on this feature, except you must use the phone to adjust volume. Short tap on left hearing aid to answer, long press to hang up.
