SM31FH Fitness Headset Condenser Microphone. The SM31FH Fitness Headset Condenser Microphone from Shure is a cardioid condenser headset microphone designed to be used by fitness and aerobics instructors. It has integrated moisture-repelling hydrophobic fabric that helps protect the microphone capsule from sweat and humidity. Wearable wireframe headset designed for a secure, comfortable fit made for fitness and aerobics instructors.Integrated moisture-repelling hydrophobic fabric protects the microphone element from harmful corrosion for use in humid environments. Flexible gooseneck design provides discrete adjustment options to optimize placement for greatest isolation. Compatible with Shure wireless bodypack systems for direct replacement of TA4F-connected microphones. Lightweight and low-profile form factors help avoid fatigue during high-impact use. Tailored frequency response refined for crisp and clear vocal reproduction. The item "Shure BLX14/SM31 Bodypack Headworn Wireless System with SM31FH Fitness headset" is in sale since Friday, May 04, 2018. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Microphones & Wireless Systems". The seller is "bestaudioline" and is located in Northbrook, Illinois. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Croatia, Brazil, Chile, Colombia, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion.