The GLXD124R/85 Handheld and Lavalier Combo Wireless System is part of the GLX-D Advanced wireless systems family. GLXD124R/85 provides intelligent battery rechargeability, robust RF performance, automatic frequency management and increased channel count with exceptional digital audio clarity and seamless operation. The premium WL185 lavalier microphone offers discreet placement for presentations and other spoken word applications. The industry-standard SM58 vocal microphone capsule delivers warm, clear vocal reproduction. Includes GLXD4R rack mount receiver, GLXD2/SM58 handheld transmitter with integrated SM58 cardioid dynamic microphone capsule, microphone clip, WL185 cardioid condenser lavalier microphone, collar clip, GLXD1 bodypack transmitter, 2 SB902 rechargeable lithium-ion batteries, USB charge cable, 2 detachable antennas, rack mount hardware, and user guide.