The Shure BLX24/SM58 Handheld Wireless System Features SM58 Handheld Microphone Shure BLX24/SM58 Configuration Details The Shure BLX24/SM58 Handheld Wireless System is part of the BLX wireless systems family. Shure BLX Wireless Systems combine professional-quality sound with simple setup and an intuitive interface for legendary audio performance right out of the box. Precision-built and available in a variety of configurations, it’s the most accessible way to own the stage. Includes BLX4 single-channel receiver, BLX2/SM58 handheld transmitter, microphone clip, power supply, 2 AA batteries, and user guide. Shure BLX24/SM58 Handheld Wireless System Components Shure BLX4 Single Channel Receiver Single channel wireless receiver with microprocessor-controlled internal antenna diversity. BLX2/SM58Handheld Wireless Microphone Transmitter Featuring an integrated SM58® microphone cartridge, the BLX2/SM58 Handheld Wireless Microphone Transmitter delivers wireless audio with professional clarity and reliability. * Works with BLX® Wireless Systems * Offers up to 14 hours of continuous battery life with 2 AA batteries