They are authentic and fit perfectly. True, there are no instructions with the clips (as one person stated), but after looking at the picture on the website to see the clip in use, it?s so intuitive that I think a child could figure it out. Easy instructions, easy charging (split charging-cable was a great addition! So if you have dainty feet these are quite annoying. They are also not narrow as I need a wide toe. y vaya sorpresa, el color ( rojo ) y todo el diseño igual, hasta 5 cms mas largo que el cable original, mucho mejor, pues entonces deje a un lado mis audifonos inalambricos mas costosos por seguir usando estos y muy contento, muy feliz con mis audifonos rescatados, ahora siguen las almohadillas . Look how tidy my floor is now. They see no problem with cutting corners in order to make more profit. They last, no problems with seems, or souls. Still very comfy and will be ok for summer walking.