The new groundbreaking GLX-D Wireless Systems from Shure combine the leading edge of Automatic Frequency Management technology with best-in-class intelligent lithium-ion battery rechargeability, world-renowned microphones and unparalleled design and construction. Available in a wide offering of bodypack and handheld configurations - including vocal, headset and presenter systems as well as traditional guitar options. The revolutionary GLX-D Wireless Systems define the newest standard for seamless ease of operation and exceptional digital audio clarity.