Answer ： As we all know, the vibration caused by the mechanical hard disk falling on the ground can easily damage the precision parts inside and cause the hard disk to be damaged. The U disk is different. It uses FLASH storage and has no precision parts. Therefore, under normal circumstances, dropping will not have any effect on the function of the U disk. As for the shell of the USB flash drive, except for fragile shells (such as glass), the shell of the USB flash drive should not fall apart or break if it falls within one meter. It is inevitable that it will be scratched. To Packing should pay attention to the box with 4 layers, safe transportation to prevent rollover during express delivery