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Apple has updated MacBook Air and introduced redesigned AirPort Extreme and AirPort Time Capsule base stations featuring 802.11ac Wi-Fi.

The new MacBook Air features fourth-generation Intel Core i5 and Core i7 processors that give the 13-inch MacBook Air up to 12 hours of battery life and up to 10 hours of iTunes movie playback. The 11-inch MacBook Air delivers up to nine hours of battery life and up to eight hours of iTunes movie playback. MacBook Air now supports next-generation 802.11ac Wi-Fi for wireless performance that is up to three times faster when connected to an 802.11ac base station. New Intel HD Graphics 5000 gives MacBook Air up to 40% faster performance for gaming and graphics intensive apps, and new flash storage provides speeds up to 45% faster than the previous generation and nine times faster than traditional hard drives.

The series features dual microphones, a FaceTime HD camera, a high-speed Thunderbolt port and two USB 3.0 ports. MacBook Air also supports dual displays and video mirroring while simultaneously supporting full native resolution on the built-in display.