I pad air is still a good product although it realease in october 2014 and now also it has a good perfomance in use.
it is very slim and quit handy to use it has a metal alluminium matt finish and best thing about this I pad is that it is the best tablet by apple according to value of money
now I will told you its specification-
it has 9.7 inch display 2gb of ram and chosen storage and 1.5 triple core processor and quadcore grafics and by this features the ipad air 2 wa build.
I will sugest you to buy this I pad air 2.