For Apple Watch Ultra 49mm NILLKIN H+Pro 0.2mm 9H Explosion-proof Tempered Glass Film Filter-Mini Keyboard It is used to protect

It is used to protect the iPhone 5S dock connector charging port from bumps

and the data communication baud rate range is 300-3000000bps

no software cooperation is required during use

projector and other devices to let you enjoy the high-definition large-screen experience

For Apple Watch Ultra 49mm NILLKIN H+Pro 0.2mm 9H Explosion-proof Tempered Glass Film Filter-Mini Keyboard It is used to protect1. Ultra thin and excellent flexibility. You do not need to worry whether the reflexes of your watch would slow down after pasting the film at all. 2. High hardness. This tempered glass screen film has a high hardness, so it can prevent itself from being scratched or broken into pieces effectively and continually. If broken, the tempered glass will break into small pieces that are not sharp, making it safer for users. 3. High definition. The film has