Took these down to FrontSight firearms training last month and used these the whole time. I did a 2 day handgun course and they were perfect for shooting all day long. I could hear the instructor great as well without having to take them out, push any buttons or change any settings. I just put them in m y ear and they went all day long both days. i love how they quiet the gunshots and how i can hear people speak at the same time. I can also turn them down when annoying people are talking to me , great product!