{"product_id":"gaqqee-schumann-wave-signal-generator-adjustable-frequency-type-c","title":"Gaqqee Schumann Wave Generator – 0.01–9999 Hz, Type-C \u0026 Audio Jack","description":"\n\u003ch2\u003eGaqqee Schumann Wave Signal Generator – Adjustable Frequency, Compact Design\u003c\/h2\u003e\n\u003cp\u003eMeet the \u003cstrong\u003eGaqqee Schumann Wave Signal Generator\u003c\/strong\u003e — a palm-sized, precision frequency device built for home, office, study, and wellness spaces. With a wide adjustable frequency range of \u003cstrong\u003e0.01 to 9999 Hz\u003c\/strong\u003e and a default startup frequency of \u003cstrong\u003e7.83 Hz\u003c\/strong\u003e (the classic Schumann resonance frequency), this compact unit is ready to use straight out of the box.\u003c\/p\u003e\n\n\u003cp\u003ePowered via a universal \u003cstrong\u003e5V Type-C port\u003c\/strong\u003e compatible with standard mobile phone chargers and power banks, this device is as portable as it is versatile. Whether placed on a bedside table, office desk, yoga studio shelf, or a coffee table, it fits naturally into any environment within a coverage area of approximately \u003cstrong\u003e10 square metres\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Frequency Range:\u003c\/strong\u003e Digitally adjustable from 0.01 Hz to 9999 Hz — default 7.83 Hz at startup\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType-C Power Input:\u003c\/strong\u003e 5V 2A supply; works with phone chargers and power banks for portable, unlimited use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAI Biomimetic Chip (8H12U):\u003c\/strong\u003e High-power bionic chip for stable, unrestricted frequency adjustment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e17-Coil Gold-Plated MWO Disc:\u003c\/strong\u003e Eco-friendly gold-plating process with thousands of internal pure copper windings for stable, efficient output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3.5mm Audio Jack:\u003c\/strong\u003e Connect headphones or speakers to hear audible tones corresponding to set frequencies (below 2000 Hz are clearly audible)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Acrylic Casing:\u003c\/strong\u003e 110 × 78 × 13.5 mm transparent body with an elegant hexagram back pattern\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE \u0026amp; RoHS Certified:\u003c\/strong\u003e Meets international safety and environmental standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e DC 5V 2A (Type-C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency Range:\u003c\/strong\u003e 0.01 – 9999 Hz (digital display)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDefault Frequency:\u003c\/strong\u003e 7.83 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 110 × 78 × 13.5 mm (including casing)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay Size:\u003c\/strong\u003e Up to 2.9 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e Not included \/ not required (external power only)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e CE, RoHS\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMade in Mainland China\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSuggested Frequency Settings\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e7.5 – 13 Hz:\u003c\/strong\u003e Focused, deep thinking — ideal for creative work and design inspiration\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e30 – 80 Hz:\u003c\/strong\u003e Mental engagement — commonly used to support memory and mental balance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e396 Hz:\u003c\/strong\u003e Energising setting — used to promote a sense of vitality and personal presence\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e963 Hz:\u003c\/strong\u003e Audio application — promotes a calm, relaxed atmosphere; can enhance vocal perception through speakers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Frequency settings are user-defined recommendations for reference only. Specific usage methods are developed by the customer. Frequency output can be verified using an oscilloscope.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Schumann Wave Signal Generator (main unit)\u003c\/li\u003e\n  \u003cli\u003e1 × LED diode\u003c\/li\u003e\n  \u003cli\u003e1 × Ferrite bead\u003c\/li\u003e\n  \u003cli\u003e1 × Power cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cp\u003eExplore more wellness and lifestyle products from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/womens-loose-turtleneck-knit-pullover-sweater\"\u003ePTKPCC Women's Loose Turtleneck Knit Pullover Sweater\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.nccih.nih.gov\/health\/relaxation-techniques-what-you-need-to-know\" target=\"_blank\" rel=\"noopener\"\u003eNIH on relaxation techniques\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What frequency does the Schumann Wave Signal Generator default to when powered on?\u003c\/h4\u003e\n\u003cp\u003eA: The device defaults to \u003cstrong\u003e7.83 Hz\u003c\/strong\u003e upon startup — the classic Schumann resonance frequency. You can manually adjust the frequency anywhere from 0.01 Hz to 9999 Hz using the digital controls.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What power source does this generator use, and is a charger included?\u003c\/h4\u003e\n\u003cp\u003eA: The generator uses a \u003cstrong\u003e5V 2A Type-C connection\u003c\/strong\u003e, making it compatible with standard mobile phone chargers and USB power banks. A power cable is included in the box, but a charger is not — most USB-C chargers you already own will work perfectly.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What does the 3.5mm audio jack do?\u003c\/h4\u003e\n\u003cp\u003eA: The built-in 3.5mm audio jack lets you connect headphones or external speakers. Different frequencies produce distinct audible tones — lower frequencies (below 2000 Hz) are clearly perceptible as sound, while higher frequencies (above 2000 Hz) are outside the range of human hearing. The jack can also power an LED diode (under 1W) for scientific or experimental use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the effective operating range of the device?\u003c\/h4\u003e\n\u003cp\u003eA: Under normal use, the Schumann Wave Signal Generator has an effective range of approximately \u003cstrong\u003e10 square metres\u003c\/strong\u003e, making it well suited for a bedroom, study, home office, or small yoga studio.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this device CE and RoHS certified?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The Gaqqee Schumann Wave Signal Generator carries both \u003cstrong\u003eCE and RoHS certification\u003c\/strong\u003e, confirming it meets European safety and environmental standards. It also contains no high-concern chemicals.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What frequency does the Schumann Wave Signal Generator default to when powered on?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The device defaults to 7.83 Hz upon startup — the classic Schumann resonance frequency. 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