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1. Schumann wave is a beneficial pulsating rhythmic wave that appears in the ionosphere of the atmosphere. Its frequency is 7.83Hz, which is exactly the same as the frequency of the hippocampus in the brain of mammals.
2. It helps with sleep and improves the taste of wine, tea and water.
3. Relieve stress, 3 color LEDs, a 7.83Hz working indicator light, and a purple sterilization LED that flashes according to the working frequency.
4. It comes with a USB cable and can be directly plugged into a 5V power supply for use.
5. Power supply current: 10mA
6. Working temperature: -20~70 degrees Celsius
2. It helps with sleep and improves the taste of wine, tea and water.
3. Relieve stress, 3 color LEDs, a 7.83Hz working indicator light, and a purple sterilization LED that flashes according to the working frequency.
4. It comes with a USB cable and can be directly plugged into a 5V power supply for use.
5. Power supply current: 10mA
6. Working temperature: -20~70 degrees Celsius
Specification:
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