1. The surface is treated with oil repellent, so that fingerprints and oil stains are not easy to stay on the surface, and it is easy to clean.for mi band 4, 5,62. With good performance and quality, it can be used for a long time3. The protective film can fit your device screen precisely, and can protect your device screen from scratches, water, dust, vibration, ping, etc.4. Optical-grade light transmittance, ultra-low reflection, high-definition and high-transmittance5. There is a strong adhesive on the back, the film is easy to stick, and it is close to the screen, so it will not affect the touch sensitivity of the touch screen6. Before sticking the protective film, all you need to do is to clean the screen thoroughly