We mostly offer the plantronics line, have only had one lifter in over a hundred go bad. We don't do much to sell them, they sell themselves, we generally tell people we will let them try them for a month and if they don't like it we'll take it back no questions asked. Haven't had one returned yet, also the cs 70 has been much preferred over the 50 because of the headset design change. But yes having to press a line button it'll limit your choices.
