A Mac includes 90 days of free telephone technical support and a one‑year limited warranty.If you purchase the Apple Care Protection Plan, you can extend that coverage to three years from the original purchase date of your Mac.Available in capacities up to 512GB, Mac Book Air gives you 1440-by-900 pixel resolution on a display that measures a mere 4.86 millimeters (0.19 inch) thin.

And when you use Dictation, they create an adaptive audio beam that intelligently adjusts to detect your voice — instead of the noise around you.

i Cloud stores your content and lets you access your music, photos, calendars, contacts, documents, and more from whatever device you’re on.

Thanks to compact all-flash storage in Mac Book Air, there’s plenty of room for a big battery.

Working together with the power-efficient fifth-generation Intel Core architecture, this battery can post some impressive numbers.

And, you’ll leave with added knowledge to help you properly maintain your device at home.

Yesterday there were concerns that other computers using Sony batteries - such as Apple's Powerbooks - might also be affected.So whether you’re editing photos, perfecting a presentation, or watching a movie, you’re going to love what you see.Let your friends and family see more of you with the 720p Face Time HD camera.The dual microphones in Mac Book Air are great for when you want to be heard.If you’re making a Face Time call, for example, the mics reduce background noise from behind the notebook.Put Mac Book Air to sleep for more than 3 hours, and it enters standby mode to conserve battery life for up to 30 days. When connected to an 802.11ac base station — including Air Port Extreme and Air Port Time Capsule — wireless performance is up to 3x faster than 802.11n Wi-Fi. With Bluetooth technology, you can connect Mac Book Air to Bluetooth-enabled devices like speakers and headphones.