I only hesitated to buy these headphones. Too extreme were the different opinions. That's why I was very excited when I got it delivered. Especially because I have always had the problem that slip out the earphones from your ear. To my great surprise this is the first headset will remain in the ear (3 weeks supported). Only I think that may look good otherwise just the next buyer, because no ear is the same. With me fit the average essay. The essays are not easy to change, but they keep well and then you do not have the fear of losing the papers. For sound: I think they have with my MP3 player (Sony - equilizer from) enough bass, treble and separation are also ok. Sure I can not compare him with my Sennheiser headphones to the home system but for the purpose to which it is fulfilling the sound well. (Of course everything subjectively) Price performance ratio is very good Duration Test (cable break etc ...) you have to wait and see. All in all, paid off for me the purchase not high-end but for this price range a good buy Supplement: After 1 1/2 years, the left speaker has adopted. Complaint was not a problem at amazon. Have ordered the headphones again. Let's see how long the holding.