QFX Wireless Dynamic Professional Microphone

QFX's Wireless Unidirectional Dynamic Professional Microphone includes the microphone, receiver, wireless antenna, and cable with an effective distance of 15-30m for unhindered mobility. Wireless Dynamic Professional Microphone Unidirectional Dynamic Microphone Frequency Response 100-1000Hz Sensitivity -72dB Impedance 600 ? One AA Battery to Operate Microphone Two AA Batteries Included Effective Distance 15-30 m Includes: Microphone Receiver Wireless Antenna Cable Colors: Silver Item Dimensions: 5.50-in x 2.75-in x 9.25-in Item Weight: 1.30-lbs