✔️ Remote speaker microphone transmits high quality sound, even in noisy environment, you can hear clearly. ✔️ Wide PTT key-press area, convenient for operating. ✔️The swivel clip on the back allows you to clip the microphone wherever you want. ✔️The shoulder speaker mic have a separate 3.5mm audio jack to attach listen only earpiece for discreet communications. ✔️ Strong PU cable and firm housing for the speaker mic,can achieve a long-term use. Specification: Color: Black Length: 22in,without stretching. Line Material: PU material Compatible with the following models: * CLS Series: CLS1110, CLS1410, CLS1413, CLS1450, CLS1450C, CLS1450CB, VL50 * CP Series: CP040, CP88, CP100, CP110, CP125, CP150, CP200, CP250, CP300 * CT Series: CT150, CT250, CT450, CT450LS * DTR Series: DTR410, DTR550, DTR610, DTR650 * DLR Series: DLR1020 DLR1060 * GP Series: GP68, GP88, GP88S, GP300, GP308, GP2000 , GP2100 * P Series: P040, P080, P1225, P1225LS * PRO Series: PRO1150, PRO2150, PRO3150 * RDX Series: RDM2070D, RDU2020, RDU2080D, RDU4100, RDU4160D, RDV2020, RDV2080D, RDV5100, RMU2040 * SP Series: SP10, SP21, SP50+, SP50 * SU Series: SU22, SU22C, SU210, SU220 * SV Series: SV10, SV11, SV11D, SV12, SV21, SV22, SV22C * 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, MV22CV, MV24CVS * Spirit Series: Spirit Pro, Spirit Pro+, Spirit HP10 * XTN Series: XTN446, XTN500, XTN600 * XTN XU Series: XU1100, XU2100, XU2600, XU4100 * XTN XV Series: XV1100, XV2100, XV2600, XV4100 * XTN AX Series: AXU4100, AXV5100 Note: If your walkie talkie's brand model isn’t listed above, please to confirm the compatibility with us.