{"product_id":"products-smfem01-mini-schumann-resonance-generator","title":"SMFEM01 Mini Schumann Resonance Generator – 7.83Hz Pure Sine Wave Portable Earth Frequency Booster for Sleep Aid Meditation \u0026 Relaxation","description":"\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 205)\"\u003eSMFEM01 SMBTN01 is a mini size 7.83Hz Pure Sine Wave Schumann Resonances designed and produced by eletechsup. SMFEM01 is the basic version, it uses a TYPE-C power supply; SMBTN01 is the battery version, it uses a LI-PO battery with PH2.0. Both of them can use the same shell.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003eNote: Batteries need to be prepared by yourself, and the shell needs to be purchased separately\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(0, 0, 205)\"\u003e\u003cspan style=\"font-size:22px\"\u003ePlease contact us for more information!\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cstrong\u003eVersion A (Basic Version)\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003eSupply voltage: DC 5V\u003cbr\u003e\n  Working current: 3MA\u003cbr\u003e\n  Waveform: Sine wave(can't output Other waves)\u003cbr\u003e\n  Power supply interface: TYPE-C\u003cbr\u003e\n  Frequency: 7.83Hz sine wave\u003cbr\u003e\n  Signal voltage amplitude: 3.3V\u003cbr\u003e\n  PCB Board Size: 76*57*5MM\u003cbr\u003e\n  Weight : 15g\u003cbr\u003e\u003cbr\u003e\n  How to use: Connect the DC 5V power supply to the TYPC-C interface.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003eVersion B (Battery Version)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003eInput voltage: DC 5V(Type-c)\u003cbr\u003e\n   Battery voltage:4.2V\/3.7V\u003cbr\u003e\n   Working current: 0.4MA\u003cbr\u003e\n   Waveform: Sine wave(can't output Other waves)\u003cbr\u003e\n   Power supply interface: TYPE-C\u003cbr\u003e\n   Frequency: 7.83Hz sine wave\u003cbr\u003e\n   Signal voltage amplitude: 3.3V\u003cbr\u003e\n   PCB Board Size: 76*57*5MM\u003cbr\u003e\n   Weight : 16g\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"color:rgb(0, 0, 255)\"\u003ehow to use:\u003cbr\u003e\n    1 Insert a lithium battery with a PH2.0 interface into the battery port (you need to bring your own battery)\u003cbr\u003e\n    2 Turn the switch to the ON position\u003cbr\u003e\n    3 Use the TYEP-C power supply to charge the battery\u003cbr\u003e\n    4 After fully charged, unplug the TYPE-C power supply.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cimg slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1000\/4063\/8742\/files\/1790968479228ymf_1788945938550.jpg?v=1788945942\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003eNote:\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e1 Version B requires batteries to work.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e2 It is recommended to use 1000-2000mAh LIPO batteries with PH2.0 interface\u003cbr\u003e\n   3 Working current 0.4MA, theoretically 1000mAh can last 100 days\u003cbr\u003e\n   4 Pay attention to the positive and negative poles of the battery\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cimg slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1000\/4063\/8742\/files\/1790968479883idu_1788945939202.jpg?v=1788945943\"\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003eNormally, the product will work as long as you provide power\u003cbr\u003e\n   (The battery version needs to connect the battery and turn the switch to ON)\u003cbr\u003e\n   But if you want to see the waveform:\u003cbr\u003e\n   Please use the oscilloscope probe to connect the two ends of the D2 diode for measurement.\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cimg slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1000\/4063\/8742\/files\/1790968480584xwb_1788945939932.jpg?v=1788945944\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003eShell:\u003cbr\u003e\n   Style: upper and lower cover\u003cbr\u003e\n   Outer diameter: 80*60*20MM\u003cbr\u003e\n   Inner diameter: 76*57*17MM\u003cbr\u003e\n   Color: transparent\u003cbr\u003e\n   Thickness: 1.2MM\u003cbr\u003e\n   Weight: 20g\u003cbr\u003e\n   Material: PS polystyrene\u003cbr\u003e\u003cbr\u003e\n   Hexagonal column\u003cbr\u003e\n   Material: PA66 nylon\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cimg slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1000\/4063\/8742\/files\/1790968481258jvt_1788945940561.jpg?v=1788945945\"\u003e\u003cbr\u003e\n  \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Eletechsup","offers":[{"title":"Version B","offer_id":51847118586134,"sku":"SMBTN01","price":4.98,"currency_code":"USD","in_stock":true},{"title":"Version A","offer_id":51847118618902,"sku":"SMFEM01","price":3.99,"currency_code":"USD","in_stock":true},{"title":"Type-C Cable","offer_id":51847118651670,"sku":"TB463","price":1.98,"currency_code":"USD","in_stock":true},{"title":"Shell and Studs","offer_id":51847118684438,"sku":"TB464","price":2.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/4063\/8742\/files\/S49f7696865e24a098dec772ef22d1da3P.webp?v=1788945936","url":"https:\/\/eletee.com\/products\/products-smfem01-mini-schumann-resonance-generator","provider":"Eletechsup Direct Store","version":"1.0","type":"link"}