Shure BLX24/SM58-H10 BLX Wireless Vocal System with BLX4 Wireless Receiver and SM58 Handheld Wireless Microphone

SUPERIOR AUDIO - Get the show going with no strings attached. Professional Shure sound for every band and any vocal need.
EXTEND THE STAGE - The system operates up to a range of 300 feet (100m), so you can take the show into the crowd without interruption.
QUICK & EASY SETUP - A breeze to setup and operate, BLX will have you up and running in record time.
BATTERY LIFE - BLX transmitters get up to 14 hours of power from a single pair of AA batteries, so the show can go on and on (and on).