A:AnswerI connect my Sansdisk extreme pro portable external usb my iPad Air 13 and was able to transfer files back and forth including pictures, pdf, etc.
A:AnswerThe power cord comes with it. However, you will need a power adapter. I would suggest an apple power adapter or one designed for compatibility with apple products.
A:AnswerNot for the value, but you probably can get a good trade-in value off of it. I was able to trade in a 9th generation iPad 10.2 inch when purchasing this iPad Air M3 and got a significant amount off the sale price.