Shure BLX14/SM31 Wireless Microphone System with SM31FH Fitness Headset Microphone, Brought to you By SHURE.
300 feet (91 m) operating range (line of sight)
Offers a 24 MHz tuning bandwidth and up to 12 compatible systems per frequency band (region dependent)
Displays power and battery status LED
Powered with AA batteries
Quick & easy frequency matching
Adjustable gain control
Includes BLX4 wireless receiver, BLX1 body pack transmitter, SM31 fitness headset microphone, power supply, clothing clip, windscreens, and user guide
The SM31FH microphone must be connected (wired) to the body pack transmitter; recommend putting body pack in a belt pouch to keep sweat away if used in fitness applications – the Shure belt pouch is model WA570A
Sandra –
Tried so many mics and this one is my favorite microphone by far, enjoy.