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The Mi 13 is waterproof and dust-proof with ip68 rating, of which ip(Ingress Protection) grade is for the electrical equipment shell to foreign body intrusion protection level, while 6 represents the dust level, that can completely prevent foreign objects and dust intrusion, and 8 represents the waterproof level, that is, to prevent water intrusion when submerged, the International Electrotechnical Commission requires equipment immersed in more than one meter of water for at least 30 minutes without any intrusion to pass ipX Grade 8 waterproof certification, so the Mi 13 supports ip68 waterproof and dust proof that it has a very good dust and water resistance.