Are Ultrasonic Mouse Repellers Harmful to Humans?

Today an expert in mouse repellent - Ningbo Jiangbei Soaring Plastic & Electronic Factory tells you whether ultrasonic mouse repellent is harmful to human body.
Our Ultrasonic Mice Repellent products have won the unanimous approval of our customers for their excellent quality.
Ultrasonic mouse repeller is a device that can generate 20kHz-55kHz ultrasonic waves. The ultrasonic waves generated by the device can effectively stimulate and cause mice to feel threatened and disturbed within a range of 50 meters, attacking the hearing and nervous systems of mice. Forcing the rats to flee the scene is not toxic to humans.
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