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.
Шанхайские Драконы
，详情可参考爱思助手下载最新版本
「有時候要讓人願意聽你說真的很難，但關於安靜復興的說法，加上更多媒體關注，對我來說有幫助，」他說。
Here's how a protection test works. The microcode feeds three things to the Test PLA: