The Pyle Pro PDWM94 is a multi- functional mic system that can be used as a wired or wireless microphone. It provides clear, transparent sound with its unidirectional pickup pattern for up to 15m or 90?. It delivers a frequency response of 50 ? 15kHz and a sensitivity (0dB=1vpa@1kHz) of -72?dB. This microphone requires 1 AA battery and includes a 12? XLR to ?? audio connection cable.