SPM-3300 Series 3-Wire Lapel Mic Kit w/Twist Connect Acoustic Tube Earphone. 3-wire Kits have separate PTT & Mic units for COVERT/DISCREET use. The SPM-3300 Kit Includes Bud and Semi-custom Ear Mold.
Fits latest version ICOM Multi-pin radios including: IC-F3261, F4261, F9011, F9021