Oppo a37 is a smart phone. sond of phone is very impressive and large. audio is clear so we are enjoing song and vedio. sond optoin is best. oppo use frindly is smooth and ggod touch. oppo a37f is a stylish phone look like a i-phone. Desigen is very good. oppo a37f has good feauture like connect to tv and etc. look wise very good and his feel like awosome. we feel like a i-phone use. oppo value is very low about 11000 . availale at very chip prize. in low money we get a more benefit of like 20000 phone.