QR codes and scanning guns are harmful to mobile phones.

What you are asking is whether the QR code and the scanning gun will harm the mobile phone. number

The scanning gun in the supermarket and our QR code have a high safety factor and will not have any impact on the mobile phone.

The scanner gun is a scanning identification device, which has a close relationship with bar codes since its birth, and is widely used in consumer goods, such as clothing, food, medical care, sanitation, logistics, pos cashier and other occasions.