Download Data sheet: pmmn4149_rm110_remote_speaker_microphone_ip55pmmn4149_rm110_remote_speaker_microphone_without_3.5_mm_audio_jack_ip55_user_guide ArticleNo/ P/N: PMMN4149A Radiotype: R2 Series RM110 Windporting Remote Speaker Mic without 3.5mm Audio Jack (IP55) Small, wired RSM with Windporting Technology featuring a loud and clear speaker, low profile swivel and IP55 Rating. Price request Download Data sheet: pmmn4149_rm110_remote_speaker_microphone_ip55pmmn4149_rm110_remote_speaker_microphone_without_3.5_mm_audio_jack_ip55_user_guide