All of the robovacs I've tested have announced out loud when they're in remote viewing mode. But not all robot vacuums provide that courtesy notification (the DJI Romo, for one, does not).
人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用，更多细节参见服务器推荐
“致敬未知”完成超亿元Pre-A轮融资，更多细节参见搜狗输入法2026
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