The Shure BLX188UK/W85-K3E combines discrete and professional lavaliers with intuitive wireless technology. Offering consistently clear accurate sound. No matter where you move. And with the BLX88 dual receiver you can seamlessly run both W85 lavalier mics at the same time. Shure BLX Wireless Systems eliminate interference and drop-outs. Providing rock solid signal from bodypack to receiver - youll sound like youre using a wired mic. 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.