This is a xiaomi flagship series phone.
It's model number is "xiaomi mi 5s"
This is a special addition of mi 5s.
4/32 gb version is a rear addition.It's colour is gold and white.
It's back side is made with metal and front side is made with corning gorila glass protection.
it has a 16 mega pixel back camera and 4 ultra mega pixel front camera.it's powered by snapdragon 821 chipset with 4 gb ram.