HYS Soft Rubber C-ring CP185 CP200D RDU4100 Radio Earpiece, 1-Wire C-Shape Swivel Headset with PTT Button Mic for Motorola Two-Way Radio CP110 CP185 CP200 CLS1110 CLS1410 EP450 RDM2070D Walkie Talkies

Microphone Performance Dimensions 6*2.7mm Frequency 100?10KHz Distortion 1000Hz?5% Impedance ? 2.2k Ohm Sensitivity -46dB±4dB?1kHz @1Pa? SNR ?58dB Speaker Performance Dimensions: 15mm Frequency 200?10KHZ 4.3.4 Distortion 1000Hz?5% Rated Input Power 50mW Max. Input Power 100mW Limit power 150mW Impedance 64 Ohms±15% Sensitivity 110±4dB ?AT: 0.179V 1KHz 1CM 20uPa?IEC 318 Designed to ensure quality and performance, HYS accessories are lightweight, comfortable, low-profile and work with many AUX Series, VLB Series XTN Series, M-Series, DTR Series, CLS Series, RDX Series, RM Series, AX Series and DLR Series of two-way radios Radio model.