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Allard also notes that "Both the Buds4 and Buds4 Pro will feature smaller earbud heads, with the intention of providing more comfortable all-day wear." On top of that, the Pro models also feature Adaptive Active Noise Cancellation 2.0 for keeping outside noises quiet and a battery life that lasts up to 26 hours using ANC (with the charging case's help), or up to 30 hours without ANC.
，这一点在safew官方下载中也有详细论述
在 Tbox 文档里粘贴为 Mermaid 代码块（Markdown 里用 mermaid ... ）。，详情可参考Line官方版本下载
（五）居民委员会组织协商确定的事项及其落实情况；。业内人士推荐爱思助手下载最新版本作为进阶阅读