Shure BLX14R/SM31 Best Wireless Microphone For Fitness Trainers.
Shure BLX Wireless Systems a great choice for fitness trainers. Durable, easy to use and heavy duty ready. Trainers can relay on Shure to help them give their customers a nice workout. This mic is very comfortable and will stay in your head so you can focus in your customers. a Hydrophobic moisture repelling fabric protects the microphone from harmful corrosion and humid environments ensures a long time of use. A flexible curve neck design provides adjustment options to optimize placement for the greatest isolation.