PMLN5011A PMLN5011 - Motorola Temple Transducer (2 Prong) with Boom Microphone -- The PMLN5011 Temple Transducer Headset uses two bone vibration speakers for receiving, and a flexible boom microphone for transmitting. Unlike traditional headsets, the Temple Transducer allows the user's ears to be uncovered and completely free to hear surrounding environmental sounds while using the two-way portable radio.
