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.
MotoTRBO XPR6300, XPR6500, XPR6550, XPR7550 and APX2000, APX4000, APX7000, APX7500
