明晚19: 30，小米將召開春季新品發布會，帶來史上最多新品。Based on recent news，預計此次發布會小米將推出包括小米11 Pro、Mi 11 Ultra、The new generation of Xiaomi MIX、charger、notebook、Bracelet、Sweeping robot、washing machine、air conditioner、路由器在內的眾多產品。
this afternoon，Xiaomi also announced，Xiaomi's first IP68 professional dustproof and waterproof mobile phone will be released tomorrow night，It is Xiaomi 11 Ultra，The "Strongest Waterproof Challenge in History" will also be held during the live broadcast of the conference。
目前在高端旗艦上，已經有不少機型支持IP68級防塵防水，includeSony Xperia、HUAWEI P40 Pro、Galaxy S20 Ultra、iPhone 11 Pro Max、OPPO Find X2 Pro、Google Pixel 4 XL等等。
新機只要擁有IP68級別的防塵防水，就是一個非常有力的賣點，各大廠在宣傳時基本不會忽略掉。
根據此前曝光的信息，小米11 Ultra將首發全相變散熱技術，該技術採用全新可相變有機烴(tīng)材料，吸熱後固態液化，導熱性能可提升100%，可實現一次散熱，固液氣三態變化。
該機還首發超級快充矽氧負極電池，可讓讓手機電池更薄、Charging faster。
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Xiaomi 11 Ultra's first launch of super fast charging silicon oxygen negative electrode battery：10 times more capacity at the same weight
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