K v is the statistical adder for computing upper-limit of A-weighted sound power level.

L p A,m is the mean A-weighted sound pressure level measured at the operator position (rounded to the nearest 1 dB).L W A,m is the mean A-weighted sound power level, rounded to the nearest 0.1 B.Acoustic Performanceĭeclared noise emission values in accordance with ECMA-109 Read our Product Environmental Reports for detailed information on the environmental performance of every Apple product. MacBook Air is designed with the following features to reduce its environmental impact: Learn more about MacBook Air and the Environment 2.2GHz dual-core Intel Core i7, Turbo Boost up to 3.2GHz, with 4MB 元 cacheĪpple takes a complete product life cycle approach to determining our environmental impact.Learn more about AccessibilityĬonfigure your MacBook Air to order with these options, only at : With built-in support for vision, hearing, physical and motor skills, and learning and literacy, you can create and do amazing things. Learn more about latest operating system AccessibilityĪccessibility features help people with disabilities get the most out of their new MacBook Air. macOS Mojave brings new features inspired by its most powerful users but designed for everyone. MacOS is the operating system that powers everything you do on a Mac. Operating altitude: tested up to 10,000 feet.Relative humidity: 0% to 90% noncondensing.Operating temperature: 50° to 95° F (10° to 35° C).Multi-Touch trackpad for precise cursor control supports inertial scrolling, pinch, rotate, swipe, three‑finger swipe, four-finger swipe, tap, double-tap, and drag capabilities.78 (U.S.) or 79 (ISO) keys, including 12 function keys and 4 arrow keys (inverted “T” arrangement).VGA, HDMI, DVI, and dual-link DVI output using adapters (sold separately)Ĩ02.11ac Wi-Fi wireless networking IEEE 802.11a/b/g/n compatible.Simultaneously supports full native resolution on the built-in display and up to 3840-by-2160 resolution at 60Hz on an external display, both at millions of colors 45W MagSafe 2 Power Adapter with cable management MagSafe 2 power port.

Built-in 54‑watt‑hour lithium‑polymer battery.

1.8GHz dual-core Intel Core i5, Turbo Boost up to 2.9GHz, with 3MB shared 元 cacheĬonfigurable to 2.2GHz dual-core Intel Core i7, Turbo Boost up to 3.2GHz, with 4MB shared 元 cache.

13.3-inch (diagonal) LED-backlit glossy widescreen display with support for millions of colors.

Macbook system storage over 300gb