Motorola HMN8435A two wire earbud with clip microphone and PTT for BPR40, CP100, CP125, CP150, CP185, CP200, CT150, CT250, CT450, CT450LS, DTR Series, GP2000, GP350 (requires a Motorola HLN9482 adaptor), GP300, GP308, GP280, GP68, GP88, GTI, GTX, LTS2000, P040, P080, P110, P1225, P1225LS, PR400, PRO3150, SP10, SP21, SP50, XTN446, XTN500, XTN600, XV1100, XV2100, XU1100, XU2100, XU2600, VL130, VL50