Jiofi is best wifi routers for all who wants to enjoy 4g speed for all androids handsets like 2g/3g/4g . it is a small device that will you able to fit in your pocket .and enjoy anywhere 4g high speed inyernet and its most helpful function is you can also call all around india free by using jio 4g voice app and also video call facility available so I think it is world best features for 4g users .it is very simple way of getting your home online, it comes with a rechargable battery - that means that you can plug it in at home , or put in yout pocket and take your connection with you when you head out .Thank you