I love them so much I?m going to buy another color. The ear pieces on this particular model do a good job of sealing, thus minimizing environmental noise without the added feature of active noise cancellation. Try them if you want something very comfortable. It was my mistake that I understood that its bothMike is good, but not that good for the price. For some reason this value pack just stinks. Ive seen reviews on other racks where people said they fell apart! Two are from one company and 1 pair from the other. Ich muss der folgenden Rezension voranstellen, dass ich absoluter B&O-Fan bin und B&O bereits seit Jugendtagen die treue halte. I have not used the rails yet, but if there is somthing to note, I will edit this post. Il prezzo è elevato, ma se avete molte periferiche ne vale la pena