RadioShack uni-directional dynamic microphone features a 450 ohm impedance and a built-in on/off switch for easy control. This vintage-style handheld mic comes equipped with a long attached cable terminating in a 3.5mm (1/8 inch) mini-plug, making it compatible with a variety of portable recording devices and vintage audio equipment. The sleek black body and silver mesh grille offer a classic aesthetic for vocal recording or public address use.