It works great it?s very much small but that?s fine . I had seen a similar design by DHANGER, but it was much more expensive and over my budget. - Ears stay nice and coolONE Cons: - Because of the open design, you can hear the outside world pretty clearly. They are still very comfortable - and as someone who wears headphones for 8-16 hours per day, both at work and home, I have no doubt that these will remain comfortable throughout the day for a long time. I have 2 usb computer fans from them. Sticks to the earbuds case. Mehr als eine Stunde am Stück habe ich sie bisher nicht getragen, das war zu keiner Zeit unangenehm. Sometime in my early 40s I realized I needed to spend the money for high quality shoes (Mephisto, Dansko etc. Only thing you need to consider is if your cables run along the top of your frame bar. Man hört zwar noch auf beiden Ohren aber das Einstellungsmodul am Kabel sendet komische Signale an mein Telefon, so verändert sich spontan die Lautstärke oder die Musik stoppt.