IMPRES RSM with NON-Threaded Audio Jack, Windporting (IP55)
Receive-Only Earpiece with translucent tube and rubber eartip (for HMN4104, HMN4103 and HMN4101 only)
This IMPRES Public Safety Microphone with an 24" cable includes 3.5mm audio jack, volume switch and orange button.
This IMPRES Public Safety Microphone with an 18" cable includes 3.5mm audio jack, volume switch and orange button.