Add practical everyday value with the Variable frequency Schumann wave generator, a practical product from the Sound - based Sleep Aids category chosen for home users, office users, travellers, and gift shoppers. Its frequency stability, adjustable range, and dual design help support practical performance, simple operation, and long-lasting everyday value.

Key Features & Benefits

• Frequency Stability – Utilizes low-temperature drift crystal oscillator and high-precision DAC chip for excellent frequency stability
• Adjustable Range – Programmable frequency technology allows adjustment from 0.01Hz to 100000Hz, including default 7.83Hz Schumann wave
• Dual Design – Two specifications available—with or without external shell for flexible usage
• Anti-Interference – Digital circuit crystal frequency reference ensures stability and strong anti-interference
• Type-C Interface – Features Type-C power supply interface, supporting Type-C to Type-C power sources

Specifications

• Operating Voltage – DC 5V (DC 4-15V range)
• Operating Current – 8-14mA (without shell), 9-14mA (with shell)
• Power Interface – Type-C (supports Type-C to Type-C power)
• Default Frequency – 7.83Hz
• Frequency Range – 0.01Hz–100000Hz pure sine wave
• Signal Voltage Amplitude – 3V PCB
• Size – 150* 100* 12mm (without shell)
• Shell Size – 155* 105* 26mm (with shell)
• Audio Output – 3.5mm audio output interface (with shell version)

Feature Highlights

• Reliable Finish – Neat detailing helps the product look good through regular use
• Practical Design – Thoughtful layout supports comfortable handling and simple operation
• Everyday Use – Suitable for home, work, travel, and regular daily routines
• Quality Build – Made with carefully selected materials for dependable everyday use
• Space Friendly – Compact proportions fit easily into everyday storage and carry bags
• Easy to Use – Straightforward setup helps you start using it right away

What's in the Box

• Signal generator*1
• Acrylic shell*1

Complete your setup with the Variable frequency Schumann wave generator from Global Swanky, a practical product from the Sound - based Sleep Aids category made to support frequency stability, adjustable range, dual design, and comfortable everyday use.

At Global Swanky, we want you to be satisfied with your purchase. If you are not completely happy with your order, you may request a return according to the terms below.

Return Window

Customers may request a return within 30 days of receiving the product.

Requests made after the 30-day period may not be eligible for a return or refund.

Eligible Products

Returns are accepted for:

• Defective products
• Damaged items
• Incorrect products received
• Non-defective items (customer preference)

Products must be new or slightly used and returned in acceptable condition.

Return Method

All approved returns must be sent by mail to the designated return address provided by our support team.

Return Shipping Cost

Return shipping costs are the responsibility of the customer, unless the item is defective, damaged, or incorrect.

Restocking Fee

Global Swanky does not charge any restocking fee for returned products.

Refund Processing Time

Once the returned item is received and inspected, refunds are processed within 10 business days.

Refunds will be issued to the original payment method used during checkout.

Depending on your bank or payment provider, it may take additional time for the refund to appear in your account.

How to Request a Return

To initiate a return, please contact our support team.

Email
support@globalswanky.com

Please include:

Order number
Product name
Reason for return
Photos if the item is damaged or defective

Our support team will provide return instructions.

Exchanges

If you received a defective or incorrect item, we may offer a replacement instead of a refund when possible.

Non-Returnable Items

Some items may not be eligible for return due to hygiene or safety reasons. These restrictions will be clearly mentioned on the product page when applicable.

Contact Information

Global Swanky
Email: support@globalswanky.com
Phone: +1 347 801 8566

Business Hours
Monday – Saturday
10 AM – 6 PM

Legal Entity
Hello Swanky Online Pvt. Ltd.