Unverified80% confidenceCautionTime unknown
不要仅凭防水标称购买，需确认IP等级和军规MIL-STD-810认证，涉水/漂流/海上活动应选IPX7以上且能浮水的机型，普通IPX4级不适合浸泡场景
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80%
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Long-term
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Unverified防水等级需看IPX7（1米水深30分钟）与MIL-STD-810G军规抗震的组合，涉水/漂流活动应选IPX8或明确标注可浮于水面的机型；仅IPX4（防溅水）不适合水上运动86% similarUnverified户外环境应选IPX7及以上防水(可短时浸泡)且通过MIL-STD-810军标抗摔的机型,普通IPX4仅防溅水,涉水或涉溪徒步不足以应对落水风险85% similarUnverified户外/工地/水下作业选购需认准IP等级：IP65防尘防喷水，IP68可短时浸水；无IP标注的仅代表塑料外壳，防摔一般标注抗跌落高度（如2米/3米军规MIL-STD-810）82% similar
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