Item Type: Walkie Earpiece Material: PC Compatibility: For Motorola Portable Two Way Radios: for XTN Series: for XTN446, XTN500, XTN600 for XTN XV Series: for XV1100, XV2100, XV2600, XV4100 for XTN XU Series. for XU1100, XU2100, XU2600, XU4100 for XTN AX Series: for AXV5100, AXU4100 for CLS Series: for CLS1110, for CLS1410, for CLS1413, for CLS1450, for CLS1450C, for CLS1450CB, for VL50 For for Motorola for Spirit Series: for SV10, for SV11, for SV11D, for SV21, for SV12, for SV22, for SV22C, for SU210, for SU22, for SU22C, for SU220 VHF/UHF for Spirit, for Spirit Pro, for Spirit Pro +, for Spirit 10 for Spirit MU Series: for MU11, MU11C, MU11CV, MU12, MU12C, MU12CV, MU21C, MU21CV, MU22CVS, MU24CV, MU24CVS, MU24CVST for Spirit MV Series: for MV11, MV11C, MV11CV, MV12, MV12CV, MV21C, MV21CV, MV22, MV22CV, MV24CVS for CP Series: for cp88, cp040. cp100, cp110, cp125, cp150, cp200, cp250, cp300 for GP Series: for gp2000, gp2100, gp300, gp308, gp68, gp88, gp88s for SP Series: for sp10, sp21, sp50+, sp50 for CT Series: for ct150, ct250, ct450, ct450ls for PRO: for PRO1150, PRO2150, PRO3150 for P Series: for p040, p080, p1225, p1225ls for DTR Series: for dtr410, dtr550, dtr610, dtr650 Other Series: for LTS2000, VL130, PMR446, ECP100, PR400, Magnetic One BPR400, EP450, AU1200, AV1200 Magnetic One A6 A8 A10 A12 for RDX Series: RDV 5100, RDV2020, RDU2020, RDU2080DD, RDU4100, RDU4160D, RDV2080D, RDV5100, FD 150A, FD 450A, FD 160A, FD 460A for Black Box Series: for Black Box V, for Black Box U