How to distinguish the MacBook Air 2013 visually

MacBook Air 2013 has a very similar frame design to the 2012 version. The main upgrade is inside the chassis, the new trendy laptop has Intel's fourth-generation Core i5 processor, integrated graphics. Better matching and faster WiFi. So how to distinguish it with the naked eye?

There is a new feature that is rarely mentioned as a dual microphone system. It will give better sound when making calls and canceling ambient noise, similar to what is being offered on many existing new smartphones.

According to Cnet, this feature also helps to detect the new MacBook Air without checking the system parameters on OS X. If you suspect that the MacBook Air version you are about to purchase is your 2012 or 2013 version. just check the laptop's left flank.

If you see two small micro holes , that's MacBook Air 2013 . It may not be the only difference between the looks of the two generations of the MacBook Air but the most obvious sign we can see at the present time.