When checking the authenticity of the brand of nuface Eyeglasses, we should first look at the round button in the middle. This button acts as a switch. Authentic keys are made of transparent materials, while fakes are white and opaque, which is very easy to distinguish; After the opening of the brand of nuface big-eye instrument, the genuine products are very bright, and the colors of the white fakes are not pure enough, and the white is mixed with the feeling of blue.
Brand nuface has a batch number on the genuine packaging, which is at the bottom of the product, while the brand packaging of fake goods has no batch number. We can also clearly see that the big head logo of genuine power supply is engraved, the small head is round and the overall color is white, while the big head logo of fake goods is printed, the small head is angular and the overall is blue and white.
In the identification, it should be noted that the positive and negative voltage of the genuine product is 19V, which needs to be identified by professionals. Those that do not meet the above requirements can be judged as fakes. When using the big eye instrument of nuface brand, it should be noted that everyone's skin will be slightly different, and it is normal to have a slight tingling sensation when using it for the first time.