{"title":"Environmental Frequency Systems","description":"","products":[{"product_id":"40hz-gamma-sound-therapy-brainwaves-entrainment-audio-device-headset","title":"7.83Hz Schumann Frequency Sound Generator Headset with 40Hz Gamma Sound for Wellness","description":"\u003ch1 data-start=\"132\" data-end=\"172\"\u003eMulti-Frequency Schumann Resonance and Gamma Sound Therapy Headset\u003c\/h1\u003e\n\u003cp data-start=\"174\" data-end=\"456\"\u003eHarmoDuo is a lightweight, behind-the-ear frequency audio headset engineered to deliver structured sound programs centered around \u003cstrong data-start=\"304\" data-end=\"343\"\u003e7.83Hz Schumann resonance frequency\u003c\/strong\u003e, \u003cstrong data-start=\"345\" data-end=\"365\"\u003e40Hz Gamma tones\u003c\/strong\u003e, and precision \u003cstrong data-start=\"381\" data-end=\"421\"\u003ebrainwave entrainment audio patterns\u003c\/strong\u003e in a compact and comfortable form.\u003c\/p\u003e\n\u003cp data-start=\"458\" data-end=\"762\"\u003eDesigned with a full-range 20Hz–20kHz audio driver and fully separated stereo channels, HarmoDuo accurately reproduces frequency-based binaural signals across the entire audible spectrum. This allows stable low-frequency modulation while preserving high-frequency clarity and balanced stereo performance.\u003c\/p\u003e\n\u003cp data-start=\"764\" data-end=\"1019\"\u003eUnlike tabletop or narrow-band devices limited to midrange output, HarmoDuo provides full-spectrum audio reproduction, enabling precise playback of Schumann-range and Gamma-frequency audio structures with consistent channel separation and phase alignment.\u003c\/p\u003e\n\u003cp data-start=\"1021\" data-end=\"1203\"\u003eEach built-in session runs in a structured 30-minute format and loops continuously until powered off, supporting uninterrupted listening tailored to your preferred sound environment.\u003c\/p\u003e\n\u003cp data-start=\"1205\" data-end=\"1510\"\u003eWeighing only 70g, HarmoDuo features a zero-pressure ear-hook design that offers a soft, stable fit without pressing against the ears, while still allowing awareness of your surroundings. The flexible rear support band ensures comfort during extended listening sessions without creating isolation fatigue.\u003c\/p\u003e\n\u003cp data-start=\"1512\" data-end=\"1716\"\u003eWith up to 8–10 hours of playback per charge, USB-C fast charging, and wireless smartphone connectivity, HarmoDuo integrates seamlessly into home, work, relaxation, travel, and focused listening routines.\u003c\/p\u003e\n\u003ch2 data-start=\"1723\" data-end=\"1753\"\u003eBuilt-in Frequency Programs\u003c\/h2\u003e\n\u003cp data-start=\"1755\" data-end=\"1876\"\u003e• 7.83Hz Schumann-range binaural tones\u003cbr data-start=\"1793\" data-end=\"1796\"\u003e• 40Hz Gamma pure tones: MIT original and soft version\u003cbr data-start=\"1819\" data-end=\"1822\"\u003e• Gamma ambient soundscapes (Mountain \/ Ocean \/ Dream)\u003c\/p\u003e\n\u003ch2 data-start=\"1883\" data-end=\"1910\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp data-start=\"1912\" data-end=\"2222\"\u003eFrequency Response: 20Hz–20kHz\u003cbr data-start=\"1942\" data-end=\"1945\"\u003eAudio Structure: Binaural stereo signal delivery\u003cbr data-start=\"1993\" data-end=\"1996\"\u003ePlayback Format: 30-minute structured loops\u003cbr data-start=\"2039\" data-end=\"2042\"\u003eControls: Volume + \/ Volume – \/ Power \u0026amp; Mode Switch\u003cbr data-start=\"2093\" data-end=\"2096\"\u003eBattery Life: Up to 8–10 hours\u003cbr data-start=\"2126\" data-end=\"2129\"\u003eCharging Port: USB-C\u003cbr data-start=\"2149\" data-end=\"2152\"\u003eWeight: 70g\u003cbr data-start=\"2163\" data-end=\"2166\"\u003eConnectivity: Wireless smartphone connection supported\u003c\/p\u003e","brand":"Prowell Health Products","offers":[{"title":"Default Title","offer_id":47785337520371,"sku":null,"price":59.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/5543\/4995\/files\/harmoduo_main.jpg?v=1772349916"},{"product_id":"zensphere-adjustable-schumann-resonance-frequency-generator-tri-frequency-7-83hz-6hz-10hz-pure-sine-wave-with-variable-output-level","title":"ZenSphere Adjustable Schumann Resonance Frequency Generator – Tri-Frequency 7.83Hz \/ 6Hz \/ 10Hz Pure Sine Wave with Variable Output Level","description":"\u003cp\u003e\u003cspan class=\"a-text-bold\"\u003eEnhance your sleep environment and meditation routine with the ZenSphere Schumann Resonance Generator 7.83Hz frequency healing device.\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003eUsing pure sine-wave output across \u003c\/span\u003e\u003cspan class=\"a-text-bold\"\u003e7.83Hz \/ 6Hz \/ 10Hz\u003c\/span\u003e\u003cspan\u003e, ZenSphere creates a clean and low-noise resonance field suitable for nighttime surroundings, meditation spaces, and calm-focus settings.\u003cbr\u003e\u003cbr\u003eAt its core, ZenSphere features an \u003c\/span\u003e\u003cspan class=\"a-text-bold\"\u003eEnhanced Energy Emitter\u003c\/span\u003e\u003cspan\u003e, engineered to project a richer and more stable resonance field compared with typical PCB-based units. The concentrated energy design increases field depth and uniformity, making it ideal for desks, nightstands, and wellness corners.\u003cbr\u003e\u003cbr\u003eThe built-in \u003c\/span\u003e\u003cspan class=\"a-text-bold\"\u003edual-compass Field Indicator\u003c\/span\u003e\u003cspan\u003e provides real-time visual feedback of resonance fluctuations, making frequency-based wellness more intuitive and engaging. With \u003c\/span\u003e\u003cspan class=\"a-text-bold\"\u003e0–100% adjustable intensity\u003c\/span\u003e\u003cspan\u003e, users can tailor the field strength to different room sizes and personal preferences.\u003cbr\u003e\u003cbr\u003eDesigned with a soft-glow indicator and pebble-shaped body, ZenSphere offers a calming aesthetic while the \u003c\/span\u003e\u003cspan class=\"a-text-bold\"\u003e3000mAh rechargeable battery\u003c\/span\u003e\u003cspan\u003e supports all-day use. Compact and portable, it can be used in bedrooms, offices, outdoor environments, during travel, or even beneath a water cup for field conditioning.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003ePure 7.83Hz\/6Hz\/10Hz sine-wave Schumann resonance generator suitable for sleep environments, meditation spaces and daily wellness, providing a clean low-noise field ideal as a frequency healing device without harsh square-wave artifacts.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eEnhanced Energy Emitter is engineered to deliver a richer, wider and more stable resonance field than typical PCB-based units, offering better coverage around beds, desks and dedicated wellness corners.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eThree selectable modes, 7.83Hz for balanced calm, 6Hz for deeper sleep environments and 10Hz for enhanced calming ambience, plus 0–100% adjustable intensity to match different room sizes and usage scenarios.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eDual-compass field indicator offers a real and trustworthy physical display of resonance activity, visibly reacting to field fluctuations in real time.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003ePortable design with a soft-glow status light and a 3000mAh rechargeable battery supporting up to 24 hours of free-move use, with USB power available for extended continuous operation at home, in the office, outdoors or during travel.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan class=\"a-text-bold\"\u003eTechnical Specifications:\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan class=\"a-text-bold\"\u003eFrequencies:\u003c\/span\u003e\u003cspan\u003e 7.83Hz \/ 6Hz \/ 10Hz\u003cbr\u003e\u003c\/span\u003e\u003cspan class=\"a-text-bold\"\u003eWaveform:\u003c\/span\u003e\u003cspan\u003e Pure sine wave\u003cbr\u003e\u003c\/span\u003e\u003cspan class=\"a-text-bold\"\u003eEmitter Type:\u003c\/span\u003e\u003cspan\u003e Enhanced Energy Emitter\u003cbr\u003e\u003c\/span\u003e\u003cspan class=\"a-text-bold\"\u003eIntensity:\u003c\/span\u003e\u003cspan\u003e 0%–100% adjustable\u003cbr\u003e\u003c\/span\u003e\u003cspan class=\"a-text-bold\"\u003eField Indicator:\u003c\/span\u003e\u003cspan\u003e Dual-compass visual display\u003cbr\u003e\u003c\/span\u003e\u003cspan class=\"a-text-bold\"\u003eBattery:\u003c\/span\u003e\u003cspan\u003e 3000mAh rechargeable\u003cbr\u003e\u003c\/span\u003e\u003cspan class=\"a-text-bold\"\u003eBattery Life:\u003c\/span\u003e\u003cspan\u003e 10 hours (deep level) - 24 hours (gentle level)\u003cbr\u003e\u003c\/span\u003e\u003cspan class=\"a-text-bold\"\u003eCharging Time:\u003c\/span\u003e\u003cspan\u003e Approx. 4 hours\u003cbr\u003e\u003c\/span\u003e\u003cspan class=\"a-text-bold\"\u003eDimensions:\u003c\/span\u003e\u003cspan\u003e 13 × 13 × 6 cm\u003cbr\u003e\u003c\/span\u003e\u003cspan class=\"a-text-bold\"\u003eWeight:\u003c\/span\u003e\u003cspan\u003e 300 g\u003cbr\u003e\u003c\/span\u003e\u003cspan class=\"a-text-bold\"\u003eUsage Scenarios:\u003c\/span\u003e\u003cspan\u003e Sleep environments, meditation spaces, work desks, travel use\u003c\/span\u003e\u003c\/p\u003e","brand":"Biothm","offers":[{"title":"Default Title","offer_id":48586709893363,"sku":null,"price":79.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/5543\/4995\/files\/main_aff65c69-7b0c-4ce6-ba35-5888ee5f43fb.jpg?v=1772347074"}],"url":"https:\/\/biothm.com\/collections\/environmental-frequency-systems.oembed","provider":"Biothm","version":"1.0","type":"link"}