QFX M-309 Wireless Dynamic Professional Microphone
Unidirectional dynamic microphone
Functions as a 2 microphone wireless microphone system
Works with karaoke and PA
Frequency response: 80 Hz to 12,500 Hz
Effective range of 50 ft. to 100 ft.
Includes lapel and headset microphone, receiver, transmitter, 9-volt battery and AA battery