Unverified83% confidenceTradeoffTime unknown
2.4G连接延迟低(约2-8ms)、稳定性高但需占用USB口且拖累笔记本续航;蓝牙省USB口、省电但延迟略高(约15-30ms)且开机唤醒稍慢——纯办公打字选蓝牙,需要快速响应操控选2.4G
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83%
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