13 Ago Adjustable Frequency Generator for Healing (0.01Hz-299Khz) 7.83Hz Schumann Reso
【Accurate Output & Durable Acrylic Design】 Equipped with a high-performance precision chip, this Schumann Resonance Generator ensures accurate and stable frequency output. The transparent acrylic shell is scratch-resistant, tightly sealed, and long-lasting, combining strength, protection, and modern aesthetics....