Features 1.APPLICABLE OBJECT: Walkie talkie handheld microphone is suitable for Cobra Uniden Galaxy Auto, and most 4 pin CB radios. 2.COMPATIBLE WITH FOR COBRA MODEL: for 7 ULTRA 18 ULTRA 19 ULTRA 19 LTD II 19 DX21 LTD Classic 25 LTD Classic 29 LTD Classic 21 LTD WX25 LTD WX29 LTD WX93 LTD WX146 GTL 148 GTL. 3.COMPATIBLE RADIO MODEL: Suitable for Cobra PR240 PR245 PR350 PR375 PR550 PR3000 PR3100 PR3175 PR4000 PR4200 PR4250 MRHH 100 MRHH 200 walkie talkie. 4.EASY TO USE: Radio hand microphone is easy to carry. It's also easier to use these microphones and portable radios in your car. 5.APPLICABLE: Perfect for police, bars, security, restaurants, nightclubs, hotels, bouncers, warehouses, parties, building construction, stages, studios, hunting, outdoors and users in noisy environments. specificationItem Type: Walkie Talkie Handheld Speaker Mic Material: ABS Compatible with for Cobra Models: For 7 ULTRA 18 ULTRA 19 ULTRA 19 LTD II 19 DX21 LTD Classic 25 LTD Classic 29 LTD Classic 21 LTD WX25 LTD WX29 LTD WX93 LTD WX146 GTL 148 GTL. Compatible Radio Models: Applicable to Cobra PR240 PR245 PR350 PR375 PR550 PR3000 PR3100 PR3175 PR4000 PR4200 PR4250 MRHH 100 MRHH 200 Walkie Talkie. PackageList1 x WalkieTalkieHandheldSpeakerMic