Download Data sheet: pmmn4148_rm110_remote_speaker_microphone_ip55pmmn4148_rm110_remote_speaker_microphone_with_3.5_mm_audio_jack_ip55_user_guide ArticleNo/ P/N: PMMN4148A Radiotype: R2 Series RM110 Windporting Remote Speaker Mic with 3.5mm Audio Jack (IP55) Small, wired RSM with Windporting Technology featuring a loud and clear speaker, 3.5mm Audio Jack, low profile swivel and IP55 Rating. Price request Download Data sheet: pmmn4148_rm110_remote_speaker_microphone_ip55pmmn4148_rm110_remote_speaker_microphone_with_3.5_mm_audio_jack_ip55_user_guide