NOISE-CANCELLING MIC Noise-canceling Headset Microphone, 3.5mm plug, 39" cord, cardioid condenser, 150-18 kHz. Use with IC-2 interpreter console, PPA T27 transmitter, PFM T36 transmitter. Replacement windscreen: WND 008. Replacement earpad: EAR 035. 6-1⁄4" x 6" x 2-1⁄8" .17 lbs.