Hello friend I will talk about for vivo y66 mobile phone this is good mobile I will talk about sound quality this mobile sound quality is so good both are audio and video my friend also use in this mobile he is like in mobile this mobile is very styles and Slim mobile its very attractive designs many feature are present in this mobile in this mobile started in sensor is very classical look then value for this mobile both are price first price in 15000 and second price is 9000 rupees.