Features: Two-pin standard 2.5mm and 3.5mm stereo. D-shape earphone can block outside sound. Earhook design, stable and comfortable to wear. Big size PTT with built-in microphone, crystal clear sound. Widely used in coffee shop, hotels, construction companies, security services, etc. Fits For: Compatible with Motorola Two Way Radios Walkie Talkie that required Two Pin M Plug 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, CLS1453CH XTN Series: XTN446, XTN500, XTN600 XTNi, XTNiD VL Series: VL50, VL130 SP Series: SP10, SP21, SP50, SP50 Plus P100 Series: P140, P145, P160, P165, P180, P185 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 SP Series: SP10, SP21, SP50, SP50 Plus XTN XV Series: XV1100, XV1400, XV2100, XV2600, XV4100 XTN AX Series: AXV5100, AXU4100 CT Series: CT150, CT250, CT450, CT450LS Spirit Series: SV10, SV11, SV11D, 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, MV24CVS RDX Series: RDV-5100 RDV5100, RDV2020 RDV-2020, RDV2080D RDV-2080D, RDU2020 RDU-2020, RDU2080D, RDU-2080D, RDU4100, RDU-4100, RDU4160D,RDU-4160D Specifications: Interface type: M Color: Black Weight: 21g / 0.74oz Package List: 1 * Walkie Talkie Headset