In this environment, a lot of folks are using PCs for conference calls so sellers should accurately depict what functions are available on their headset in a PC application and not leave it up to the consumer to wade through reviews and spotty answers to questions. Seems odd that we would get two defective headphones??! The battery life of the headphones will get you throughout the day or a little more. lets hope it withstands the sun unlike most others. I love the silvery look. No me gustan! SI PUEDES CONTESTAR MENSAJES. Anything new is gonna either cost way more, or be way not as good. En el caso de la detección de los audífonos con otros dispositivos como celulares, si tienes la fortuna que te detecta los auriculares podrás escuchar un buen sonido, pero si te detecta manos libres escucharás mucho ruido y en el celular no hay forma de cambiar cuál de los 2 modos deseas. I find that rotating the earbuds a little is very helpful for getting them in.