The abcGoodefg swivel style earpiece is commonly preferred by many retail and restaurant businesses. Its' single wire is neither too thick or thin allow users to move comfortably and fix any restriction in movements. The on-ear pad big speaker would eliminate listening fatigue with sound projection from outer ear providing long hours of working comfort. The neutral swivel arm rotation to go along with users’ head turn and also be able to mount on the left/right ear. ONLY Compatible with MOTOROLA 2-PIN 2.5mm/3.5mm two-way radios as below: CLS Series: CLS1110, CLS1410, CLS1413, CLS1450, CLS1450C, CLS1450CB CP Series: CP88, CP100, CP110, CP125, CP185, CP200, CP200D, CP200-XLS, CP220, CP240, CP250, CP300, CP1660 DTR Series: DTR410, DTR550, DTR610, DTR620, DTR650 GP Series: GP68, GP88, GP88S, GP300, GP308, GP350, GP2000, GP3188, GP3688, GP2100 PR/PRO Series: PR400, PMR446, PRO1150, PRO2150, PRO3150, PRO5150 RMU Series: RMU2040, RMU2043, RMU2070, RMU27070D, RMU2080, RMU2080D SP Series: SP10, SP21, SP50, SP50+, Spirit Pro, Spirit Pro+, Spirit HP 10 SU/SV Series: SU22, SU22C, SU220, SV10, SV11, SV11D, SV21, SV12, SV22, SV22C XTN Series: XT420, XT460, XTN446, XTN500, XTN600, XU4100, XV1100, XV1400, XV2100, XU1100, XU2100, XU2600, AU1200, AV1200, AXV5100, AXU4100 Spirit MU/MV Series: MU11, MU11C, MU11CV, MU12, MU21CV, MU21C, MU22CV, MU22CVS, MU24CV, MU24CVS, MU24CVST, MV11, MV11C, MV11CV, MV12, MV12C, MV12CV, MV22CV RDX Series: RDU2020, RDU2080, RDU2080DD, RDV2080D, RDU4100, RDU4160, RDU4160D, RDV2020, RDV5100, RDM2020, RDM2070D XV Series:XV1100, XV2100, XV2600, XV4100 XTN XU Series:XU1100, XU2100, XU2600, XU4100 AVX series: AXV5100, AXU4100 Other Series: BPR40, CT150, CT250, CT450, CT450LS, DEP450, ECP100, EP450, EP450S, GTI, GTX, LTS2000, P040, P080, P110, P1225, P1225LS, VL130, VL50, HT850