Pryme SPM-113 Observer Speaker Mic for Motorola 3.5mm Threaded Pin

The Pryme SPM-100 OBSERVER is a lightwieght, compact remote speaker microphone designed for use in light-duty applications. The Observer microphone features a high-quality microphone element that produces excellent transmit audio. The SPM-100 is meant to be worn on the user's lapel, duty belt, or shoulder strap. Includes a large, metal-reinforced clip which rotates 360 degrees. The SPM-100 features a powerful built-in speaker that delivers loud receive audio. The SPM-100 series includes a 3.5mm earphone jack for listen only use.

Compatible with the following:

Motorola 3.5mm Threaded Connector (Visar Radios)
Also fits audio adapters with 3.5mm threaded port