Designed for professional performance, the PYLE PDWM5000 mic is all that you need for a perfect sound quality. For accurate frequency supply, this PYLE WIRELESS PROFESSIONAL MICROPHONE offers a quartzlock that gives a drift-free operation. There are four microphones included in this PYLE microphone. For an ease of usage, the PYLE PDWM5000 mic gives power on indication, StandBy, and off switches. With a battery life of 12 hours, this PYLE WIRELESS PROFESSIONAL MICROPHONE can easily go on for the whole evening. This PYLE microphone offers a frequency range of 210-280 Hz that depicts how well it transforms from the lowest to the highest frequency.