The SGM-990+I Supercardioid/Omni Shotgun Microphone with 2-Position Switch from Azden is used to capture audio in critical applications such as meetings, weddings, TV sound and more. It is also compatible with smartphones and tablets with a TRRS headset jack. It is used on video camcorders, DSLR cameras, or field recorders to capture audio. It features a supercardioid pickup pattern and has a 2-position switch that allows you to widen or narrow the pickup field. It features a frequency response of 150 Hz to 18 kHz. This electret condenser microphone is built with a coiled cable and has a 1/8" mini-jack connector making it compatible with several mobile devices. It has a pickup range of 35' and uses one alkaline AAA battery for power. A windscreen, shoe mount, 2" interface cable, and hook-an-loop mounting tape are included.