Motorola PMMN4045 Water-resistant remote speaker microphone with technology for clear communication, a 3.5mm audio jack and 6-foot coil.  IP54. 

This remote speaker micophone is water-resistant with a 6-foot coiled cord assembly, 3.5mm audio jack, swivel clip and a quick disconnect latch. With noise-cancelling technology, you know your message will always be transmitted clearly. This economical model will meet basic portable communication needs.

Compatible with XTS 5000, XTS 3000, XTS 2500, XTS 1500, MT 1500, MTS 2000, PR 1500, MTX 8000, MTX 9000.   Replaces NMN6191 remote speaker microphone.