FM783 7.83HZ Schumann Wave Ultra-Low Frequency Pulse Generator DC 5V W/ USB Cable Improve sound help sleep | Электроника

 

 

 DC 5V FM783 7.83HZ Schumann Wave Ultra-Low Frequency Pulse Generator + USB Cable
    　   Description: Features: 

Schumann wave itself is not directly acting on the sound of video products to improve the quality of sound quality, but the role of the space environment, people's physical and mental relaxation, improve the body's perception of sound and images, improve the health of the human Body to improve the efficiency of work, mental stress also have a better effect.
 
Features:
• This product is Schumann wave 7.83HZ very low frequency generator, features high accuracy and stability.
• High stable frequency acquisition elements: high stability pulse chip, precision correction capacitance, precision multi-loop adjustable resistor.
• Schumann wave can be applied to HIFI or sleep.
• Powered by Mini Usb port, typically +5V 0.1A. Send USB cable
• Imported ultra-low static power master IC for more stable waveforms
• Output 7.83HZ pulse square wave duty cycle 50%. The frequency can be fine-tuned.
• PCB Size: 83x53mm

Package Contents
100% Brand New
1 X  DC 5V FM783 7.83HZ Schumann Wave Ultra-Low Frequency Pulse Generator + USB Cable


 

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Working Days (not including holiday) 5-7 8-10 11-14 15-19 20-22 >25 Working Days + Saturday + Sunday 5-9 10-14 15-20 21-25 26-30 >35 United States Rate (item arrived)     9% 50% 21% 13% 7% Refund or Resend United Kingdom Rate (item arrived) 10% 62% 20% 3.5% 4.5% Refund or Resend Australia Rate (item arrived) 23% 50% 13% 8% 6% Refund or Resend France Rate (item arrived) 1.5% 20.5% 45% 23% 10% Refund or Resend Germany Rate (item arrived) 5.5% 25% 35% 19% 15.5% Refund or Resend

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0.0%

44%

35%

18%

3%

Refund or Resend

Spain Rate (item arrived) 1.5% 25% 50% 14% 9.5% Refund or Resend   Payment : 

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