Phil Schiller, Apple’s senior vice president of worldwide marketing, on Monday took the wraps off of the company’s new MacBook Air computers at its Worldwide Developers Conference in San Francisco. The 11-inch and 13-inch MacBook Air models have been upgraded with Intel’s new Haswell processor, improved battery life and 802.11ac Wi-Fi connectivity. The 11-inch model will now deliver 9 hours of battery life, while the 13-inch model will last a whopping 12 hours. The 11-inch model will start at $999 with 128GB of internal storage and the 13-inch will start at $1,099. The new MacBook Air will ship out to consumers today. Apple also announced a completely redesigned Mac Pro computer that will be built in the United States. The desktop is 1/8th the size of previous models and is equipped with a next-generation Intel Xeon processor. The computer also supports 20Gbps Thunderbolt 2 ports, gigabit ethernet, HDMI Out, USB 3.0, dual graphics and 4K resolution displays. The new Mac Pro will be available this fall.