I bought this service 1 year ago and reliance gave me very satisfactory services.It is nice product for jio users.You can buy it from any reliance store which cost you around 2000 rs.It also come with 6 month or 1 year warranty period.Battery back is around of 8 hours.
Benefits of using Jio
1.When I purchased it was free but now you have to pay only 303 for 3 month and you will get 1 GB per day which was very great.
2.Best internet speed
3.Handy to use while traveling
4.Now they are also providing power bank
5.Best battery back up