1. Lub taub hau siv lead ua 30 μ m daim ntawv tooj liab kub-plated kom ntseeg tau tias muaj kev sib txuas ruaj khov ntawm qhov chaw sib txuas;2. Qhov ruaj khov thiab tawg tsis kam ntawm cov shrapnel yog siab dua li lwm cov cable shrapnel hauv kev ua lag luam;3. Cov khoom siv TPU nrog ultra mos "ecderon" ua rau muaj kev ywj pheej, kev ruaj khov thiab kev ua haujlwm ntev;-Sim rau qhov kub thiab txias ib puag ncig xws li 30 ℃ txog + 80 ℃, nws mos thiab tsis deform.
