Pin M Plug K Plug Walkie Talkie Headset Earpiece with Microphone PTT for Motorola Two Way Radio Walkie Talkie Earhook Features: Two pin standard stereo 2.5mm and 3.5mm.D-shaped earphones can block external sound.Earhook design, stable and comfortable to wear. Large size PTT with built-in microphone, crystal clear sound. Widely used in coffee shop, hotels, construction companies, security services etc. Fit for: Compatible with Motorola Walkie Talkie radios which required two M or K plugs GP series: GP63, GP68, GP88, GP88S, GP280, GP300, GP308, GP350, GP600, GP2000, GP2100, GP3188 CP series: CP88, CP040, CP100, CP110, CP125, CP140, CP150, CP160, CP180, CP200, CP250, CP300 CLS series: CLS446, CLS1110, CLS1410, CLS1413, CLS1450, CLS1450C, CLS1450CB, CLS1453CHXTN Series: XTN446, XTN500, XTN600 40, P145, P160, P165, P180, P185DTR series: DTR2430, DRT2450, DTR410, DTR450, DTR510, DTR550, DTR610, DTR650P series: P10, P50, P50+, P040, P080, P100, P110, P200, P1225, P1225LS, PR400PRO series: PRO11 50, PRO2150, PRO3150SP series : SP10, SP21, SP50, SP50 PlusXTN XV Series: XV1100, XV1400, XV2100, XV2600, XV4100 , SV21, SV12, SV22, SV22C, SU210, SU22, SU22C, SU220, Spirit, Spirit Pro, Spirit Pro+, Spirit HP10; MU11, MU11C, MU11CV, MU12, MU12C, MU12CV, MU21C, MU21CV, MU22CVS, MU24CV, MU24CVS, MU24CVST; MV11, MV11C, MV11CV, MV12, MV12CV, MV21C, MV21CV, MV22, MV22CV, MV24CVSSRDX series: RDV-5100 RDV5100, RDV-2020 RDV2020, RDV-2080D RDV2080D, RDU-2020 RDU2020, RDU20 80D, RDU-2080D, RDU4100, RDU -4100, RDU4160D,RDU-4160D Specifications: Interface Type: M K Color: Black Weight: 21g / 0.74oz Package List: 1 * Walkie Talkie Headset