Had no problem with hearing or being heard very clear! Ladies! I wish there was a setting to set a timer to change the how fast it automatically turns off but unfortunately there isnt. The resistance is good. She likes them, but I don?t. It just doesnt work well at all and seems to only remove some low rumbles that you might get from a train, for example, as it passes by. It didn?t say that anywhere in the product info prior to buying. Its also extremely important. Materials are quality and my granddaughter loves them Grandson loved his