Boly BL-3100 Wireless Headset Microphone System UHF 100 Channel Wireless Microphone Set with Headset .Ideal for Church, Weddings,Presentations,School Play.
Bodypack transmitters use 2 PCS 1.5V AA battery
Two XLR individual outputs and one 1/4" Mixed output
Range up to 300 Feets ( 100 meters ), Frequency UHF512-537.5MHz