i saw almost every review going bonkers about this headphone as to how cheap it is yet it has such an awesome sound qualitywell i must accept the sound quality is really superb bass 910 clarity810 volume range1010 bluetooth connectivity 810 bluetooth range 910 battery backup 1010what more can we ask for if it runs for a week on using moderately everyday calling 910 look 710 achha haihowever i personally consider comfort as important as