Micromax canvas spark 4g it has only 2000 mah non removeable battary ye is not good but it has grate gold looks and or 1 gb ram and quad core ise amazing speed dete he I really like this product and its camera Not so good but nice for normal use.oprating system of the mobile is latest android 6.0. The screen resolution of this product is very good beacause it has ips display that was I love it. And its amazing 4g speed save may time and unlimited jio 4g offer save my money also That was I suggest anyone for buying this mobile