Andoer Schumann Generator 7.8Hz Ultra-Low Frequency Pulse Schumann Resonance Generator USB Powered Audio Resonator for Relax Sleep

7.8Hz Schumann pulse generator has high accuracy and nice stability which can make you relax and reduce mental stress and is beneficial to human health. Features: 7.8Hz ultra-low frequency pulse Schumann generator has high accuracy and nice stability. Equipped with high stability pulse chip accuracy correction capacitor and multi-loop adjustable resistor. It can turn ordinary into Shumangbo antioxidant easy to absorb and improve the delivery capacity of bloods after drinking which is beneficial to health. It can be placed in the bedroom to improve the quality of sleep or in the office to relax and improve work efficiency. Used to make music to make the sound more pleasing or used to make tea to speed up the brewing and make the tea smell more intense. USB and play easy to use can be used in the bedroom study office tea room etc. Specifications: Color: Black Material: Plastics Power Supplys: Type-C Port Resonant Frequency: 7.8Hz (Adjustable) Item Size: 100 * 82mm / 3.9 * 3.2in Item Weight: 18g / 0.6oz Package Size: 130 * 85 * 10mm / 5.1 * 3.3 * 0.4in Package Weight: 24g / 0.8oz Packing List: 1 * Schumann Resonance Generator