Samsung brand that time very using product and its a famous. it also good product. fastly its sound is great.we can not compare to any sound to face samsung galaxy j2. so its sound is very attractive. its ram is 1GB, processor is exynos 3475 and android os, v51.1(lollipop). its battery capacity is 2000mah, li-ion. its battery overall going on good. its external storage is 8GB. it is ease to use for all public. becous its phone is ease to handling to run. its reae camera is 5MP, auto focus and led flash.i have also golden colour phone of galaxy j2. its looking is very good.