The Movo Wmx-20-duo is a Wireless microphone system for home, studio, and location use. Capture professional audio with ease and universal functionality. Fully compatible with DSLRs, camcorders, smartphones/tablets and other recorders. Ideal for filmmakers, broadcasters, and vloggers. Optimal for both live sound and recording. Dynamic range that picks up a wide frequency spectrum (35 Hz to 18 kHz) with a distance of up to 330 .