A:AnswerNo…
Wireless headphones of this size typically don’t carry RGB.
If you want RGB on your headphones, check over-eat headphones!!
(AirPods do look fine in white! :) )
A:AnswerAirPods Pro should work with any Bluetooth device, no matter the brand or age.
iPhone X should pair seamlessly, as long as it is on a modern version of IOS :)