Comfortable fit VOX headset can be used independently of PTT button PTT Button turns VOX into a Push-To-Talk headset Ideal for noisy or active environments When used together, the 1884 Push-To-Talk Button and Headset bundle, provide the ideal solution for using your Motorola Talkabout? 2-way radios in noisy or active environments. The bundle consists of two pieces: A VOX headset (Model 56320) and a large Push-to-Talk button with a 1.25 meter cord. The VOX headset with Boom microphone provides a comfortable fit and can be used independently of the PTT button. t always work well when used in noisy environments, where the large PTT button turns it into a Push-To-Talk headset. The oversized PTT button provides excellent accessibility, even while wearing gloves. The PTT button can also be used with the 53725 Motorola Talkabout VOX Headset. The Motorola 1884 Push-To-Talk Button and Headset bundle includes an easy to follow user guide.Manufacturer model #: 1884.