The Security Receive-Only Ear piece is also known as a Listen Only Ear piece. The purpose of this product is to mute the radio speaker microphone, or radio to allow users to hear radio communications discreetly. WaveBand Communications manufactures a wide variety of receive only earpieces to meet mission critical goals in police radio communications, casino security, construction, and military operations. Our listen only ear pieces are compatible with Waveband, and original equipment manufacture speaker microphones, and portable radios. We also make a wide variety of ear insert options, tips and plugs that are located on our home page under the ear inserts, tips, and plugs category tab.