AOER Advanced G Shape Police Earpiece Headset PTT MicFor use with the following 2 way radios and many more that require a dual pin plug approximately 5/16" (standard 2 prong Motorola)* CLS Series: CLS446, CLS1110, CLS1410, CLS1413, CLS1450, CLS1450C, CLS1450CB, CLS1453CH* XTN Series: XTN446, XTN500, XTN600* XTNi Series: XTNi, XTNiD* VL Series: VL50, VL130* P100 Series: P140, P145, P160, P165, P180, P185* CP Series: CP88, CP040, CP100, CP110, CP125, CP140, CP150, CP160, CP180, CP200, CP250, CP300* DTR Series: DTR2430, DRT2450, DTR410, DTR450, DTR510, DTR550, DTR610, DTR650* P Series: P10, P50, P50+, P040, P080, P100, P110, P200, P1225, P1225LS, PR400* PRO Series: PRO1150, PRO2150, PRO3150* XTN XV Series: XV1100, XV1400, XV2100, XV2600, XV4100* XTN XU Series: XU1100, XU2100, XU2600, XU4100* XTN AX Series: AXV5100, AXU4100* Spirit Series: SV10, SV11, SV11D, SV21, SV12, SV22, SV22C, SU210, SU22, SU22C, SU220, Spirit, Spirit Pro, Spirit Pro+, Spirit HP10* Spirit MU Series: MU11, MU11C, MU11CV, MU12, MU12C, MU12CV, MU21C, MU21CV, MU22CVS, MU24CV, MU24CVS, MU24CVST* Spirit MV Series: MV11, MV11C, MV11CV, MV12, MV12CV, MV21C, MV21CV, MV22, MV22CV, MV24CVS* GP Series: GP63, GP68, GP88, GP88S, GP280, GP300, GP308, GP350, GP600, GP2000, GP2100, GP3188* SP Series: SP10, SP21, SP50, SP50 Plus* CT Series: CT150, CT250, CT450, CT450LS* Other Series: ECP100, EP450, AP10, AP50, AP73,PMR446, MagOne BPR40, AU1200, AV1200If you can't make sure this earphone/headset can work on your two way Radio, please contact "AOER" and tell us your two way Radio Brand and model.