Professional heavy-duty waterproof and dustproof SA-159 headset microphone was designed by own design engineers and manufactured by our manufacturing division, SupremeAudio, to our demanding, rough-use specifications. Featuring a hard-wired waterproof cable, it weighs only 1.5 oz, and has an incredible frequency response of 70 to 16000Hz giving the greatest clarity and vocal presence. Fully submersible, waterproof (only headset is waterproof) and dustproof, it is ideal for use in Aquatic environments such as poolside, cycling classes or Bikram Yoga where there is extreme perspiration. As comfortable as it is durable. This newly-designed, behind-the-head microphone fits comfortably and is totally sealed for protection from perspiration from all types of aerobic activity.