Gn netcom 9120 flex boom nc mic headset 9120 28 02 the gn 9120 is a wireless headset that works the way todays in office professionals work offering an unbeatable range of personal mobility in the office a robust talk time and a host of innovative features and benefits the revolutionary gn 9120 will give complete wireless freedom in the office the unique conference call feature lets you hold fully mobile secure conference calls not restricted to meeting rooms or ruined by cracklin