I was looking for good device which was light weight and long battery backup. I took suggestion from my friends they told me ipad is better for your requirment. I purchased Ipad air 2 and using it. Right now I am doing my all office work on it. It has ms office free which is available on apple store. I can work on my ppt, animation, photo shop auto cat 360, with long battery backup. I am using my netbanking without worry this device is virus free device and durable product made by aluminium body. It has long battery backup. Which upto 12 hours. I am facing some space problem , finally I satisfied. This is value for money and easy to use.