Optimal Frequency for Well-being: Experience the benefits of the Earth's natural frequency with our Schumann Resonance Signal Generator. Emitting a 7.83Hz pure sine wave, this device is designed to enhance your mental and physical well-being by aligning your body's rhythms with the Earth's resonance. Advanced Technology: Utilizing state-of-the-art technology, our signal generator ensures a stable and precise 7.83Hz frequency, providing a consistent environment that promotes relaxation and improved sleep patterns. Compact and Efficient: The sleek, portable design makes it easy to integrate into your daily routine, whether at home or in the office. Its energy-efficient operation ensures minimal power consumption, making it an eco-friendly choice for conscious consumers. Due to different batches, there may be differences in product appearance and printed text, which will not affect use Colour:Green Material:PCB Package Contents: 1 x Schumann Wave Generator 7.83HZ Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.