Schumann Wave Generator USB Charging 7.83Hz UltraLow Frequency Pulse Generators

Feature: 1. Schumann wave generator is a 7.83HZ ultra?low frequency generator with high accuracy and good stability. 2. Using premium acrylic + electronic component materials to make sure excellent durability and service life. 3. Use high?quality polymer battery, with overcharge, overvoltage and overcurrent protection functions. 4. Schumann waves help to create a relaxing feeling, make people calm and comfortable, improve sleep quality, and relieve insomnia and fatigue. 5. High stability frequency acquisition components such as high stability pulse chip, accuracy correction capacitor and multi?loop adjustable resistance are used. 6. With a working switch, it is easy to operate, safe and reliable, and effectively improves the body"s perception of sound and image. Specification: Condition: 100percent Brand New Item Type: Schumann Wave Generator Material: Acrylic + Electronic Component Model: CF-FM783-BA Frequency: 7.83Hz Ultra-Low Frequency Pulse Generator Power Supply: For Android charge cable charging 5V Polymer Battery Capacity: 1400mah Time: Charging current 250ma, 6 hours full charge Working Current: 1ma, 200 hours of uninterrupted use when full charged Weight: Approx. 72g / 2.5oz Descriptions: Schumann wave itself is not directly acting on the sound or video products to improve the quality of sound quality, but the role of the space environment, people"s physical and mental relaxation, improve the body"s perception of sound and images, improve human body healthy, to improve the efficiency of work, mental stress also have a better effect.. Package List: 1 x Schumann Wave Generator1 x USB Cable1 x Screwdriver