All the featureof galaxy prime j7 actually a moderate, sound system nearly to better but not strong and and vice also near to good, it is usually easy to use for every one, and style ofthis mobile are not so bad but not so better.so so but look is very nice.feature range of 3GB Ram are very supported to play many more apps and games and even pdf text or files are suddenly opened.Mp4 and Hd print or song movies are so better seen on this mobile.but to much costly because new price of OPPO mobile with same version are not costly like him.