Motorola, D-Ring Ear Piece. Clip-on, In-Line Push To Talk Microphone. Can Be Worn On Either Ear.
Works With Motorola: RM, RD, CLS, XTN, DTR, AX & M-Series Business 2 Way Radios. Motorola, Ear Piece With Clip On In Line Push To Talk Microphone, Can Be Worn On Either Ear, Works With Motorola RDX, AX, DTR & M-Series Business 2 Way Radios. Old Part #55617 Works With Motorola RDX, DTR & M-Series Business 2 Way Radios