Internet Communication USB Mono Headset & Boom Mic -USB Connectivity. -DNCT4: Direct Noise Canceling Microphone Technology. -Monaural headset. -Adjustable headband. -180 degree microphone. -Leatherette ear pad. -Adjustable boom arm. -Inline MuteVolume Control. -Ambidextrous design (wear on right or left side). -PC / iMac Compatible.