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7.83Hz Schumann Waves Resonance Generator Ultralow Frequency Pulse Audio Resonator 0.01Hz~100000Hz Adjustable

4.6275
$17.99 /$21.95
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$11.99 /$21.95
Shipping to: United States | Express delivery: 7-12 business days | Standard delivery: 15-25 business days

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Return Policy
Return items will be accepted within 40 days when is the date of receiving the goods. Customized items cannot be returned or exchanged. Items bought with an e-gift card are exchangeable only; refunds are not applicable.

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We will work hard to deliver items to you after receiving your orders and make sure they arrive safely. Delivery details will be provided in your confirmation email.In most cases, orders are processed within 2 days.Under special circumstances, it will be delayed as follows: When you place an order on Saturday, Sunday or public holidays, it will be delayed for 2 days..Normally, it needs 5-7 working days (Monday to Friday) without being affected by flight delay or other environmental factors..Because our shipping service is worldwide so the delivery times will depend on your location so it may need a few times and please wait patiently if you are in remote districts or countries.

1. Return & Exchange Policy

We only accept items purchased from roymall.com. If you purchase from our local distributors or other retailers, you cannot return them on our side. Final sales items or free gifts are not acceptable for a return. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.After receiving return instructions from us, please package up your returned items and drop your package at the local post office or another courier.
We will process your return or exchange item within 3-5 working days after we receive it. The refund will be processed and credited automatically to your original method of payment.No returns or exchanges can be accepted if the product was custom produced, including custom size, custom color, or custom printed.Need more help, please contact us. service@roymall.com or Whatsapp: +8619359849471

2.Refund Policy

You'll get a full refund or 100% store credit after we receive the returned package and check it. The refund will be processed and credited automatically to your original method of payment. Please note that shipping costs and any duties or fees are not refundable. The extra shipping costs are non-refundable once the package has been shipped. You are responsible for paying these fees and we’re unable to waive or refund them, even if the order is returned back to us.Once we received and confirmed your returned item, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you have any problems regarding the refund process, please contact us. service@roymall.com or Whatsapp: +8619359849471

Specification:

Type: Board Only, With Shell (optional)

Board Only:

Working voltage: DC 5V (DC 4-15V)

Working current: 8-14MA

Power interface: micro USB

Default frequency: 7.83Hz

Adjustment range: 0.01Hz~100000Hz pure sine wave

Signal voltage amplitude: 3V

PCB board size: 150*100*12MM

With Shell:

Working voltage: DC 5V (DC 4-15V)

Working current: 9-14mA

Power interface: micro USB

Default frequency: 7.83Hz

Adjustment range: 0.01Hz~100000Hz pure sine wave

Signal voltage amplitude: 3V

Has 3.5MM audio output interface

With acrylic housing

Size: 155*105*26MM (with shell)

Feature:

1. This product is made of high quality materials, the use of low temperature drift crystal oscillator and high precision DAC special chip, the product has good frequency stability;

2. This product can not only output 7.83Hz Schuman wave, but also add programmable frequency modulation technology, can adjust the frequency in the range of 0.01Hz~100000Hz;

3.2 kinds of specifications, there are 2 kinds without shell and with shell can be selected according to demand;

4. Digital circuit crystal frequency benchmark, more stable, stronger anti-interference;


Product Description:

Schuman wave itself is not directly acting on sound or video products to improve the sound quality, but the role of the space environment, so that people"s body and mind can be relaxed, improve the body"s perception of sound and images, improve the health of the human body work efficiency, relieve psychological pressure also has a good effect. The product can not only output 7.83Hz Schumann wave, but also adjust the frequency in the range of 0.01Hz-100KHz, digital circuit crystal oscillator frequency reference, more stable, stronger anti-interference, using low-temperature drift crystal oscillator and high-precision DAC dedicated chip, can precisely output frequency and pure sine wave.

Package Included:

1 x 7.83Hz Schumann Waves Resonance Generator


Electronics Ranking

7.83Hz Schumann Waves Resonance Generator Ultralow Frequency Pulse Audio Resonator 0.01Hz~100000Hz Adjustable

7.83Hz Schumann Waves Resonance Generator Ultralow Frequency Pulse Audio Resonator 0.01Hz~100000Hz Adjustable

7.83Hz Schumann Waves Resonance Generator Ultralow Frequency Pulse Audio Resonator 0.01Hz~100000Hz Adjustable

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  • 11/03/2025

    The pictures on the product site are confusing, fortunately the product I got was the right one.
    It works fine.

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  • 15/01/2025

    Zwecks Lieferung -> Alles Bestens, Heute unversehrt und überpünktlich angekommen, technisch noch nicht in der Tiefe getestet, scheint aber zumindest erst einmal technisch OK zu sein, zumindest werden "Sin(HZ):7.83" im Display (MIT und OHNE Hintergrund-Beleuchtung) angezeigt! ALLES Weitere wird sich zeigen, bisher jedoch erst einmal ALLES OK!

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