Shure mic . never used

UHF Wireless SM58 Wireless Microphone System
Frequency range: K3E (606-630 MHz)
The starting point of the wireless Shure SM58
The most famous vocal microphone
Very simple setup and operation of the radio system
Reliable radio transmission
QuickScan finds the best free frequency pushing only one button
Up to 12 compatible systems
Microprocessor controlled antenna diversity
Transmission range of the radio system 50-15,000 Hz
Set includes: BLX4E radio receiver, BLX2 hand transmitter with SM58 microphone capsule, microphone clamp

BLX4E Receiver Characteristics
TRX and XLR outputs
Two-tone audio status LED
Internal antennas
Strain relief for power cord
BLX2 Transmitter Characteristics
Status and battery status LED indicator
Adjustable -10 dB pad
Quick and easy frequency adjustment
Up to 14 hours of battery life with 2 AA batteries
Lock function for on / off switch
Transmission power: 10 mW
Up to 100 metre range