Welcome to the next evolution of the H840 headphones! We have listened to our customers and received an enormous amount of feedback on our widely popular H840 headphones. Now the P841 model is here with many improvements for its users. The P841 is designed to be more travel friendly for long trips by plane, car, or bus. We have removed the longer cable that comes with the H840 and replaced it with a much more comfortable length for most users. Now sitting at 1.2 meters/ 3.9-feet never worry about snagging your headphones and getting caught. We have also added an inline microphone and full on playback controls. Easily adjust the volume by pressing on the increase/decrease volume buttons. You can also pause/play your tracks.Edifier has been in the audio business for over two decades and have become experts in manufacturing audio equipment. Both the wired line and frame of the headphones themselves are made from materials that are sturdy, adaptable, and