Specifications: Voltage: DC12V Current: 0.5A Size: 10*8.5*1.7cm/3.94*3.35*0.67in Schumann wave applied to HIFI: 1. The player has a certain HIFI experience, HIFI equipment level can not be too low. 2. Can hear, the difference between the same system on the different wire to bring the tone changes. 3. It is recommended to buy two sets of trial (the effect is better). 4. when the product will be placed on the speaker, plus the appropriate weight for anti-vibration treatment. Schumann wave applied to sleep: 1. It is recommended to buy a set of trial, on a bedside, more than 1 meter away from the human body distance. 2. The trial, plus the appropriate weight for anti-vibration treatment. 3. Use paper cloth to block the indicator light and remove the night light of the product 4.Try it for a week and analyze seven days of experience. Package Included: 1 x Ultra-low Frequency Pulse Generator Note: 1. Package  included a Generator only, power supply are not included. 2.This item is finished product, not need to assemble.
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