Motorola PMLN4442A Earbud w/Mic, PTT and Vox

PMLN4442A: The PMLN4442A is a Motorola Original Earbud with In-Line Mic and PTT/VOX Switch. This PMLN4442A is VOX Capable Only with the CP125, CP150, P185, CP200, and PR400. Compatible Radio Models: PMLN4442A, BPR40, CP150, CP185, CP200, CP200·XLS, CT150, CT250, GP300, PR400, PRO2150 Conv, CP125Compatible with:Motorola GP300 Surveillance Equipment Motorola CP200 Surveillance Equipment Two Way Radio Earpieces Motorola PR400 Surveillance Equipment Motorola CP185 Surveillance Equipment Motorola CP150 Surveillance Equipment Motorola BPR40 Surveillance Equipment Motorola CP125 Surveillance Equipment Motorola CT150 Surveillance Equipment Motorola CT250 Surveillance Equipment Motorola CP200·XLS Surveillance Equipment Motorola PRO2150 Conventional Surveillance Equipment