Professional Wireless Dynamic Handheld Microphone with Receiver NC-555

1) Microphone sensitivity:-72db 2) Directivity: unidirectional 3) Frequency response: 100 to 10,000 Hz 4) Output impedance: 600 ohm 5) Operating voltage: 1.5V 6) Effective distance: 15 to 30m **Package Contents: -1x Microphone -1x Receiver -1x Wireless antenna -1x Wire for wired microphone