Pulse Generator 7.83Hz for Sleep Aid

1 Accuracy Correction Capacitor: Made of high stability pulse chip, accuracy correction capacitor, and accuracy multi loop adjustable resistance. 2 Large Capacity Lithium Battery: Rechargeable large capacity lithium battery is used, which can be used for about 400 days after a full charge. 3 Improve Human Health: Beneficial to people physical and mental relaxation, improves the human body's ability to perceive sounds and images, and enhances human health. 4 Good Stability: Can improve work efficiency, reduce mental stress, ultra low frequency, high accuracy, and good stability. 5 Working Status Indicator Light: With working status indicator light (red, green or frequency flashing blue light), you can clearly see the working status.

What's in the box
1 x Schumann Wave Generators