The Buzz Killers have solved a common, annoying problem: the buzzing interference on audio devices caused by mobile phones. The firm sells the Buzz Killer Card, an easy-to-use card on which you place your phone when not in use. The patent-pending alloy technology of the Card eliminates the buzz in conference calls, desktop speakers, landlines, baby monitors, and alarm clock radios. As a promotional product, the Card can be branded with a corporate logo or message; ideal for seminars, conferences and gift bags. In the office or home, the Card occupies ideal real estate viewed time and again by the owner.Keep your cell to yourself!