Fit Motorola Radio with 2-Pin M1 Connector: MOTOTRBO CP200D, CP100D BPR40D and Other Commercial Radio BPR40, DEP450, EP450, RDM2070D, RMU2080D Also fit Other Retail Radio CLS1410, CLS1110, DLR1020, DLR1060 (Please be aware that Kenwood, Baofeng and Midland radios are not compatible) This earpiece produces high-quality sound. Users hear transmission clearly and receive effectively Users wear soft and skin-friendly material that fits right outside earlobe. Metal clip on the PTT back clips securely onto lapel, collar or tie. Users are easy to adjust.