The Savox Promate RSM-30 is a strong remote speaker microphone specifically designed for latest phones, smart phones and tablets with push-to-talk and full duplex call functionality. It has big sized buttons customized for industrial use that makes it comfortable to use with gloves. IP 55 protection level and diversity of optional headsets are helpful features in making your work simpler and quicker. It provides great audio quality, wide compatibility, easy volume settings, 3.5mm headset connector, rotating belt chip and much more to enhance team efficiency. Reliability & great audio makes RSM-30 Remote Speaker Microphone, a perfect device for industrial use.