The jio fi2 & fi3 are absolutely good these two devices are best for an router device it has and battry which is 2300mah and a very good interface and also a good slim and slik design it and it was also comes with jio simcard which is free in now these days but only for today really trust me it is an very good device im still using it personally that device is comes with an router battry and an router charger adapter and data cable and an user manual and an jio sim card we can insert an microsd care to copy and past our data from our personal computer.