Specifications: Microphone
sensitivity: -72dB
Directivity: Un-directional
Frequency response: 100 to 10, 000Hz
Out put impedance: 600ohm
Operating voltage: DC 1.5V
Working distance: 15 to 30m
Jack dimension: 6.3 mm
Package: 1 x Microphone 1 x Microphone Wireless Receiver 1 x Microphone Wireless Transmitter 1 x Microphone Cord 1 x User Manual