L WAd is the statistical upper-limit A-weighted sound power level (rounded to the nearest 0.1 B).Meets ENERGY STAR Version 5.0 requirementsĭECLARED NOISE EMISSIONS in accordance with ISO 9296.Highly recyclable aluminum and glass enclosure.MacBook Pro is designed with the following features to reduce its environmental impact: Combined optical digital audio output/audio line out (minijack).Combined optical digital audio input/audio line in (minijack).Built-in omnidirectional microphone (located under left speaker grille).
Built-in AirPort Extreme Wi-Fi wireless networking 2 (based on IEEE 802.11n draft specification) IEEE 802.11a/b/g compatible.
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