10Pcs Two Way Radio Clear Tube Headphone for RCA RDR3500 RDR3600 RDR4220 RDR4280

Also compatible with RCA RDR3500, RDR3600, RDR4220, RDR4250, RDR4280 and Maxon TPD-1116, TPD-1124, TPD-1416 and TPD-1424. RDR3500, RDR3600, RDR4220, RDR4250, RDR4280. 1-Wire Acoustic Tube Earpiece is made with Inline Push-to-talk and microphone for your talkies.

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