This is a quality product -- it feels like a quality material. So be sure to order a half size lower than normal and you should be good. As for the device itself, it worked quite well. El precio que he pagado por estos audífonos es incomparable. All levels are safely custom-set for kids. I have a Carrera Vengeance mountain bike with quite wide handle bars but the wall mount can reach the frame easily, without it even needing to be fully extended or the handlebars scraping the wall. Es lo único que no he podido encontrar. TL;DR: Good hardware, bad software. This stuff is amazing! I had bought this pair at TJ Max for myself.