iHP48 has several options to adjust the skin as you prefer. Those options are intended to provide a better adjustment to large screens, high resolution, or physical characteristics such as the safe area.
iHP48 provides the adjustment options on the iHP48 Settings. You can jump directly from the iPhone Settings app, of from the iHP48 Menu “Settings” as a shortcut.
The Following are the Zoom ratios on an iPhone 8 screen
Those are the implemented Zoom options available on iHP48, please select your best fit.
You should restart your iHP48 to make changes take effect.