Does it actually reduce stress?

There is no scientific evidence that Schumann frequency devices relieve stress or improve health. The claimed calming effect is not clinically established. Buy it as an experimental gadget, not a treatment.

What frequency range does it cover?

It runs from 0.01Hz up to 20kHz, adjustable. That includes the 7.83Hz Schumann frequency and much higher audio-range tones.

Through a universal USB port. Any standard USB power source works, so it can sit on a desk, nightstand or office shelf.

Can I set an exact frequency?

The frequency is described as precisely adjustable, but no display or readout is specified. You may need an external way to confirm the exact setting.

How does it compare with fixed 7.83Hz generators?

Fixed units only output the Schumann frequency. This one covers a much wider range, which suits tinkerers but adds complexity most casual buyers do not need.

Schumann Wave Resonance Generator Adjustable 0.01Hz-20kHz USB Powered

Best price now

$19.99at WalmartChecked Nov 12

Prices are checked against each store and labelled with when.

Visit Walmart

Schumann Wave Resonance Generator Adjustable 0.01Hz-20kHz USB Powered

Best price now

$19.99at WalmartChecked Nov 12

Prices are checked against each store and labelled with when.

Visit Walmart

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Price facts

Last seen at $19.99 at Walmart on Nov 12.

Our take on the Schumann Wave Resonance Generator Adjustable 0.01Hz-20kHz USB Powered

A small USB-powered box that emits adjustable ultra-low frequency pulses from 0.01Hz to 20kHz, including the 7.83Hz Schumann frequency. It is aimed at people curious about frequency-based relaxation and who want a tunable dial rather than a fixed single-frequency device. There is no clinical evidence that Schumann generators relieve stress, so treat it as an experimental gadget. Rivals are mostly fixed 7.83Hz units; this one offers far more range but no verified benefit.

Best forFrequency and biohacking hobbyistsPeople who want a tunable low-frequency generatorDesk or bedside ambient gadget buyers

Pros

Very wide range, 0.01Hz to 20kHz
Includes the 7.83Hz Schumann frequency
Adjustable rather than fixed-frequency
USB powered, easy to place anywhere
Simple to operate

Cons

No proven health or stress benefit
No display or readout mentioned for exact tuning
Output strength and waveform are unspecified
Build and durability are unknown

Schumann Wave Resonance Generator Adjustable 0.01Hz-20kHz USB Powered prices at every store

WalmartNew
In stockSold by Plush player
$19.99Checked Nov 12
Visit Walmart

Schumann Wave Resonance Generator Adjustable 0.01Hz-20kHz USB Powered price history

Lowest price we've seen: $19.99 on Nov 13 at Walmart. Tracked across 1 store since Nov 13.

About the Schumann Wave Resonance Generator Adjustable 0.01Hz-20kHz USB Powered

This Schumann wave resonance generator emits ultra-low frequency pulses. It is designed to support stress relief and relaxation. The frequency can be adjusted from 0.01Hz to 20kHz, and the range includes the 7.83Hz Schumann frequency.

It is powered through a universal USB port and is easy to operate. It can be used at home, in an office or in a bedroom to help create a calm atmosphere.

Frequency range: 0.01Hz to 20kHz, adjustable
Schumann frequency: 7.83Hz included
Power: USB powered
Use: Indoor use at home, in an office or in a bedroom

Questions and answers

Does it actually reduce stress?: There is no scientific evidence that Schumann frequency devices relieve stress or improve health. The claimed calming effect is not clinically established. Buy it as an experimental gadget, not a treatment.
What frequency range does it cover?: It runs from 0.01Hz up to 20kHz, adjustable. That includes the 7.83Hz Schumann frequency and much higher audio-range tones.
How is it powered?: Through a universal USB port. Any standard USB power source works, so it can sit on a desk, nightstand or office shelf.
Can I set an exact frequency?: The frequency is described as precisely adjustable, but no display or readout is specified. You may need an external way to confirm the exact setting.
How does it compare with fixed 7.83Hz generators?: Fixed units only output the Schumann frequency. This one covers a much wider range, which suits tinkerers but adds complexity most casual buyers do not need.
Where is the Schumann Wave Resonance Generator Adjustable 0.01Hz-20kHz USB Powered cheapest?: At Walmart, for $19.99, as of our latest check.