Joanna Stern on X: "Something for Windows users in my MacBook Air review: the new HP Spectre x360 (due out in December) has totally crazy battery life. 15 hours on my tests.
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2017 HP Spectre x360 15 vs. 2016 15-inch MacBook Pro | Spec Comparison | Digital Trends | Hp spectre, Macbook pro, Macbook
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