Audio jack is 3.3 mm sound system was dolby atoms with dual stereo speakers, screen size is 5 inch display, display colour was16 m, ips display, android lollipop 5.1 processor core is octa core, processor speed is 1.6 ghz, internal storage is 16 gb, RAM is 3GB, Expandable storage is 128 GB, primary camera was is 13 megapixel, secondary camera was 5 megapixel, primary camera was auto focus, guidelines, light sensor, proximity sensor, ecompass avialabele battery capacity is 2750 MAH battery type was LI-lon polymer, price was very suitable 8, 500 inr,