What are the benefits of putting a Protective Film on a mobile phone?

Smart phones have become the development trend of this era, and it has become the consensus of many people to stick Protective Films on newly bought phones. So, as consumers, what are the benefits of putting Protective Films on mobile phones?
Several advantages of Mobile Phone Protective Film:

1. Prevent light reflection from hurting eyes (Frosted Screen Protector has anti-reflection function)

matte screen protector

2. Prevent bacteria from staying on the phone screen (Antibacterial Screen Protective Film has the function of preventing bacteria)

antibacterial screen protector

3. Prevent privacy leaks (the Privacy Screen Protector has an anti-peeping effect) the Anti-peep Screen Protector cannot see the contents of the screen beyond a certain angle

privacy screen protector

4. Prevent blue light radiation (Anti-blue Light Screen Protective Film has a certain anti-blue light effect) can effectively protect the eyes from blue light damage

anti-blue light screen protective film

5. The screen is protected by the JJT Screen Protection Film, which not only protects the mobile phone screen from scratches and oil pollution, but also reduces the user's eye fatigue when using the mobile phone. There are more and more people who like to put their mobile phones in their pockets, which solves the confusion that most people have mobile phone screens that are easy to get dust and key scratches.