Shure BLX188/SM31-K3E Dual Wireless Headset System with 2 x SM31FH

The BLX188/SM31 Wireless System can handle your most intense workouts. The SM31 Fitness Headset is made from corrosion proof materials. You can sweat on it shout into it and it will perform just as you need it. Combined with the BLX88 dual receiver you can seamlessly run both SM31 headset mics at the same time. Built to ensure rock solid signal from transmitter to receiver. Shure BLX Wireless Systems eliminate interference and drop-outs. Youll sound completely clear. And thanks to one-touch Quickscan technology all the hard work is done for you. Locating the best frequency for your performance is as easy as pushing a button. No trial and error. No complicated set up. Just one press.