Where does the Apple phone case vibrate?

Apple's mobile phone vibration settings are as follows:

The vibration function of iPhone can be adjusted in the system settings. Enter the system setting menu of iPhone 12 Pro Max, and click the drop-down button to enter the auxiliary function option; Then click the touch option in the action interaction. If you need to turn off the vibration function, you can click the switch on the right side of the vibration.

Apple iPhone is a series of smart phones developed and sold by Apple, which is equipped with the iOS mobile operating system developed by Apple itself. The first generation iPhone was released on June 9, 2007. Mobile phone series models have been equipped with Apple silicon self-developed chips since iPhone 4.

Touch ID first appeared in iPhone 5s and iPhone 6s? And for the first time, the iPhone 6s Plus added 3D Touch touch control on the screen, and the line charging first appeared on the iPhone8 and iPhone 8 Plus models, adopting Qi(Chee) wireless charging standard.

The multi-touch technology adopted by Apple iPhone and its friendly user interface have had a far-reaching impact on the smart phone design of other manufacturers. Time magazine called it "Invention of the Year 2007".