7.83HZ Pulse Generator DC5V Schumann Wave Frequency Module With Sheel Rechargeable For HIFI Audio

Introduction: Schumann itself does not directly act on sound or video to improve sound quality, but acts on the space environment, allowing people to relax their mind and body, improving the body's perception of sound and images, improving the health of the human body, improving work creation efficiency, and insomnia. Mental stress and so on also have a good effect. Schumann wave applied to HIFI: 1. Buyers need to have certain HIFI experience, HIFI equipment level can not be too low. 2. It can be heard that the difference is the timbre change brought by different wires on the same system. 3. Place the product on the speaker when using it, and apply appropriate weights for anti-vibration treatment. Parameter: Product Name: Schumann Wave Extreme Low Frequency Generator (with battery version) Size: 68 x 52 x 12mm (L x W x H) Power: DC5V Micro USB, polymer battery capacity 1400mAh Time: The charging current is 250mA, which can be filled in about 6 hours. Operating current is 7mA. Package includes: 1 x Pulse Generator