Motorola PMLN4442 Mag One Commercial Series Earbud With In-Line Microphone/PTT/VOX Switch
Model Number:  PMLN4442
Mag One earpieces are small, comfortable and enable users to discreetly send and receive messages from their two-way radios. Choose from earbud or over-the-ear design, depending on user preference.
Voice Activation (VOX)