Reliance jiofi has introduced a new way of using wifi. as it is portable, cheaper, reliable, etc. it connect upto 30 devices at one time. the speed will depend on the plan you take. it comes with 2400mah battery power which you can use it for 2-3 day. the price of this device is Rs. 2000. this device enable many features like unlimited calling, HD calling, jio vide call, 1gb data per day, and much more.