The specification of MI A3 are as followed
The Processor of MI A3 will be Snapdragon 665. And the Display Of device will be 7.08″ Amoled Display which has in built fingerprint scanner as you can see in the picture below.
The battery power will be the 4030 maAh with the support of 18 watt fast charger. But you have to buy charger in the market.
Next lets talk about the camera as you know the hype of Xiaomi about 48MP . So Mi A3 will launh with tripple camera setup of 48MP in rear and 32 MP in front. it seems that front camera has less as compare to current market demand.
You will get headphone Jack in the device along with the IR Blaster which can be used as a remote. Dual Sim Dual Volte Support Flash Light Type C POrt are other features of MI A3.
Recently you herad about Mi CC9c The Mi A3 is same as Mi CC9c but there is only one difference which is display The Mi CC9c HD + Display and The MI A3 packed with FHD+ Display which is upgrade of HD+ Display.