A couple of years ago I had posted about USB foot control that I used to navigate through lyrics. Here is a Bluetooth option, that will pair with your iOS device. See demo below.
https://drewsound.com/2024/05/01/do-you-sing-karaoke-or-cover-music-demoing-the-lagato-bluetooth-page-turner-pedal/
By DrewWeber, 1 May, 2024
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Braille on Apple Products