A:AnswerFor this, you may need to invest in a converter for your iPhone. An audio to lightning jack should do the trick to connect the receiver to your iPhone.
I tried this myself with my iPhone 14 Plus, and it worked as intended.
A:AnswerIt works with new iPhones. You just need to connect the receiver 3.5mm cord to the 3.5m to lightning adapter that came with your iPhone and it will work!