Battery life varies by use and configuration. The Apple TV app movie playback test measures battery life by playing back HD 1080p content with display brightness set to 8 clicks from bottom. Testing conducted by Apple in October 2020 using preproduction MacBook Air systems with Apple M1 chip and 8-core GPU, configured with 8GB of RAM and 512GB SSD.1TB = 1 trillion bytes actual formatted capacity less.iPhone activation required on iPhone purchases made at an Apple Store with one of these national carriers: AT&T, Sprint, Verizon, or T-Mobile. ACMI is not available for purchases made online at the following special stores: Apple Employee Purchase Plan participating corporate Employee Purchase Programs Apple at Work for small businesses Government, and Veterans and Military Purchase Programs, or on refurbished devices. See the Apple Card Customer Agreement for more information. Taxes and shipping are not included in ACMI and are subject to your card’s variable APR. If you choose the pay-in-full or one-time-payment option for an ACMI eligible purchase instead of choosing ACMI as the payment option at checkout, that purchase will be subject to the variable APR assigned to your Apple Card. Variable APRs for Apple Card other than ACMI range from 10.99% to 21.99% based on creditworthiness. See for more information about eligible products. * Apple Card Monthly Installments (ACMI) is a 0% APR payment option available to select at checkout for certain Apple products purchased at Apple Store locations,, the Apple Store app, or by calling 1-800-MY-APPLE, and is subject to credit approval and credit limit.

Apple macbook pro operating system