Compatible with Cobra models:
7 ULTRA, 18 ULTRA, 19 ULTRA, 19 LTD II,19 DX, 21 LTD CLASSIC, 25 LTD CLASSIC,29 LTD CLASSIC, 21 LTD WX, 25 LTD WX, 29 LTD WX, 93 LTD WX, 146 GTL,148 GTL,

Compatible With Radio Models:
For COBRA Walkie Talkie PR240 PR245 PR350 PR375 PR550 PR3000 PR3100 PR3175 PR4000 PR4200 PR4250 MRHH100 MRHH200

Package includes:

-1 X DM-507-4 Speaker Microphone.