Sound of oppo a 37 is great phone. I had brought it and working very ossom. Sound is very good on speaker and also very loud on playing music. Phone is very easy to use. Grip is too good and not slippery. Style and design is very good of this phone. Very stylish and people often aske me about this phone. If talk about the features it is very cool. Great performanse with five in display bright colors. 2 GB ram is enough for playing game and multitask. Oppo is realy reliable and trusted brand. And at last we can say that oppo a37 is realy value for money phone in midrang pocket.