The Impact EH3 earhook 1 wire headset is a high-quality accessory. Designed to be worn over the ear. Most suited to hospitality, sporting and recreational use. 6 month warranty. Soft Flex cabling. Mini in-line PTT. Compatible with: Motorola BPR40, CP100, CP125, CP150, CP185, CP200, CT150, CT250, CT450, CT450LS, CLS1110, CLS1410, DTR Series, GP350 (requires a Motorola HLN9482 adaptor), GP68, GP88, GP280, GP300, GP308, GP2000, GTI, GTX, LTS2000, P040, P080, P110, P1225, P1225LS,bear PR400, PRO3150, SP10, SP21, SP50, XTN446, XTN500, XTN600, XV1100, XV2100, XU1100, XU2100, XU2600, VL130, VL50, Blackbox, Blackbox+, Relm RP6500, HYT TC500, TC600, TC610, TC700, TC700EX, TC508, TC580, Tekk XU100, XV100, XU1000, XV1000, X500V, X500U, RDV5100, RDV2020, RDU2020, RDU2080D, RDU4100, RDU4160D, RMU2040, RMU2080, RMU2080d, RMV2080, and Bearcom BC250D two way walkie handheld radios.