Motorola AARLN4885 Receive-Only Covered Earbud
Model Number:  AARLN4885
An earphone jack located on the head of the remote speaker microphone allows the user to receive audio when using this earpiece. The covered earbud solution is a simple way to discreetly receive radio communications. It comes with a coiled cord.
Discreet message reception
Intrinsic Safety Standard