Aunque tengo que dar un apuntes con esto, y es que a volumen máximo los dos auriculares se igualan, es a medio volumen donde se nota esta diferencia. Had to order this item 3 different times. I bought these for kayaking and they do the job. So, as long as you know that, I think theyll work great. Durable, since its silicone its easy to clean (especially if you have a light. I should have just returned them right away when I got them. On planes I use them with no outside engine noise and can listen to either my laptop or whatever I choose to listen to from the planes entertainment. Thirdly, the built in mic isnt very functional. The Jabra 75 Evolve headphones are possibly the best headphones I have had yet! They can be used both wired or wireless.