2) For those who have been sensitive to metals or suspected of being sensitive to the product, please do not use it.
3) This product cannot be used in places where harmful dust or gas will be generated. 4) If your skin appears abnormal or anything happens, please stop using it immediately. Precautions: 1) Infants or people with abnormal respiratory system can not take off this product according to their own wishes. Soft and stretchable polyurethane material Adheres to the face to prevent pollen from entering through the crevices And it is not easy to feel pain when wearing the ear for a long time.