inputs.text: not waste money - fly md80s major airline bought headset thinking would sufficeit not fine design execution except microphone microphone portion junkthe controllers couldnt understand spoke believe boom microphone short longer boom placing microphone closer mouth may fine stands doesnt work well speaking found cupped hand mouth direct sound microphone adequate gets annoying fast dont want use two hands speak headset want use one free change frequency scratch itch dont believe purchased defective unit believe plantronics created ineffective design extend boom avoid headset