A:AnswerYes it is, I am using a Bluetooth headphone in mine. Sometime you have to try several time and be sure to turn off first all the device that use Bluetooth, because sometime it pair with one of these devices first and not the iPad.
A:Answeripad air 4 (5 or 8 aren't out) has a larger screen, although the 2 are the same size. the air 4 is much more expensive, so i would recommend going with the ipad 8th gen. i'm going to assume you mean ipad air 4 and ipad gen 8 :)
A:AnswerApple products don't use SD card or any type of external memory. You can buy storage from the icloud. I think you can do some type of monthly payment for 5GB or 10GB depending how much space do you need.
