Superseded85% confidenceTradeoffTime unknown
无线快门（2.4GHz或蓝牙）便于自拍合影和远距离触发（10-100米），但存在信号延迟和干扰风险；有线快门零延迟、无需配对、无需担心电池，天文长曝光和精确同步优先选有线
1
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85%
Confidence
Long-term
Relevance
-
First Seen
This knowledge claim has been superseded by newer content
户外走播/带货选无线领夹麦，传输方式认准2.4GHz而非蓝牙，蓝牙延迟普遍80-200ms会导致音画不同步，2.4GHz延迟可低至20ms以内Sources
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