Schumann Wave Ultra Low Frequency Resonance Pulse Generator High Accuracy 7.83Hz Resonator USB Charging
Schumann Wave Ultra Low Frequency Resonance Pulse Generator High Accuracy 7.83Hz Resonator USB Charging
Product Features
- Multiple functions: contributes to physical and mental relaxation, improves body perception of sound and image and increases work efficiency and mental state.
- Power supply method: built-in 850 mAh lithium with easy micro USB charging for use anytime and anywhere.
- Circuit protection: Provides overcharge, over-voltage and over-current protection without voltage ripple.
- [Applicable scenes] - Widely used for night sleep, daily relaxation, meditation, massage and fitness scenarios.
- Stable performance: use of a highly stable pulse chip, an accuracy correction capacitor, a precise adjustable multi-loop resistor and a display capacitor for high working accuracy.