Motorola RLN4941A Remote Speaker Microphones with

Motorola RLN4941A earpiece plugs into all Remote Speaker Microphones RSM with 3.5mm unthreaded audio jack on the head of the microphone. An earphone jack located on the microphone allows the user to receive audio when using this earpiece. The clear tube provides a more discreet option for those that need to receive messages privately.Earpiece plugs into all Remote Speaker Microphones. 3.5mm unthreaded audio jack on the head of the microphone. The clear tube provides a more discreet option for those that need to receive messages privately. An earphone jack located on the microphone allows the user to receive audio when using this earpiece.