The Shure BLX14UK/P31-K3E is a high-quality wireless system and headset thats ideal for vocals and speech applications. Setup is easy. One touch Quickscan technology finds the best open frequency for your performance for uninterrupted crystal clear sound. Theres no trial and error or complicated controls. The PGA31 headset microphone is elegant and unobtrusive. Sitting comfortably and securely on your head with a flexible gooseneck for easy positioning. Its tuned to compliment all types of voice boasting the same class leading sound as Shures handheld mics. The BLXUK14/P31 is the wireless system for singers and speakers who want to feel totally natural.