This is good tablet for business man .It has 1 GB RAM and 8 GB rom . And Expandable memory is 32gb . This tablet not support otg connection and this is 3g calling tablet.It’s support all game like GTA vice city and GTA sandreas. It has one sim plot .Camera are not good but tablet is very good.It is Android version 4.2.2. KitKat.It has multi window multi window means you can use two application in OK be time . It has kies via wifi means your tablet screen on computer or laptop with wifi . Processor of this tablet is quad core.Battery mAH is 3600.Thanking you