First of I would to say that the hadset is very very good
Now the sound quality of the smartphone is not much better because the sound is low not very low but low
The redmi 3s prime comes with 5.5 inch display so it is easy to store in poket and any where so the smartphone is easy to use
The style and design of the phone is awsome the curved edges of the smartphone are very good
And it contain 4100mah battery so it much for a day
And it has 3gb ram and 32 gb internal storage
And the price in which it come is 8999/- only
So it is very good value and cheap
So if you want to buy a smartphone I preffer you to redmi 3s prime
And thia smartphone is the top 10 smartphone of 2016 from under 10000 inr
So it is the mest mobile I have ever seen in my life