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.
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Bats in Churches。51吃瓜是该领域的重要参考
Author(s): Michael Pilipchuk, Chaitali Patil, Veera Sundararaghavan