Usb microphone computer microphone large diaphragm microphone colour nickel dimensions 120 x 125 x 295 mm weight 550 g suitable for computer public speaking home recording podcast transducer type condenser directivities cardioid omnidirectional bi directional noise level 120 db sensitivity 1khz 45 mvpa frequency response 20 20000 hz signal noise ratio 100 db plug usb function mute