Legendary Shure SM58 vocal microphone, tuned to accentuate the warmth and clarity of lead and back-up vocals. Consistently the first choice of performers everywhere. Cardioid (unidirectional) dynamic Frequency response: 50 to 15000 Hz Legendary Shure quality, ruggedness and reliability PGX2 Handheld Transmitter Automatic Transmitter Setup Multi-function LED Indicator (power, lockout, mute, low battery) 300 ft. (92 m) operating range. Microphone only.