Jetfon JR-1803 E/C

Button-type earset microphone with curly acoustic tube and double “M” connector for models:
Motorola GP-300, SP-50, P-110, P-1225, P-1225LS, LTS-2000, CP-88, CP-150, CP-200, C-1150, C-1250, C-1450, C -1450LS, GP-308, P-080, P-2000, PRO-2150, PRO-3150, CP-040, P-080, GP-68, GP-88, DP-1400 and CP-040
Dynascan V-600, CPS-12D and R-68
Kombix RL-120U
Unimo PZ-400
Yaesu FT-4XE, FT-4VE, FT-25 and FT-75