Compliant with the U.S. military drop-test standards MIL-STD 810G method 516.6 procedure IV. The transit drop test is to perform 26 drops on each face, edge and corner from a height of 122 cm above the floor. The drops could be divided among no more than 5 test items. Product under normal use meets the test standards. Do not deliberately drop or damage the product. 3 m freefall test. Mark the IPX4 water-resistant level Compliance to IPX4 achieves protection against splashing water from any direction. Product under normal use meets the test standards. Do not deliberately drop or damage the product. Speed USB 3.1 Gen1 (USB 3.0) interface Cable carry design Advanced internal hard drive suspension system LED light to indicate data transfer activity and power status Easy to plug and use, no external adapter required Free-download SP Widget software provides powerful functions such as data backup and restore, AES 256-bit encryption and cloud storage for efficient data management.