The latest earbuds are said to offer improved audio quality and active noise cancellation (ANC), with an ambient sound mode, adaptive EQ and adaptive ANC. On Buds 4 Pro, there's a siren detection feature that enables ambient sound to let you hear things like alarms or emergency vehicle warnings.
The mission came hours after the first flight of the Blue Origin New Glenn rocket system, backed by Amazon boss Jeff Bezos.
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He has now also called for a trial to compare weight-loss injections with bariatric surgery, where the size of the stomach is restricted to reduce appetite.
AP writers Melissa Goldin, Tim Reynolds and John Wawrow as well as the Canadian Press contributed.