Apacer 1TB Portable Hard Drive Blue Color box Internal Suspension Structure for External Forces The unique internal suspension structure can reduce vibrations while minimizing the impacts caused by accidental movements. Military-Grade Shockproof Protection AP1TBAC633U-1 has passed MIL-STD-810G 516.6 Procedure IV (Transit Drop Test), meaning no data is corrupted when it is dropped from a height of 1.22 meters. *Accidental drops in the normal environment will not cause damage to data, per U.S. MIL-STD-810G 516.6 procedure IV (transit drop test). Gentle handling is strongly recommended to ensure normal use. IP55 Certified for Dustproof and Waterproof Functions With thorough rubber coverage at the exterior, AP1TBAC633U-1 can withstand spraying water and dust. No matter encountered rain or dust, it can easily handle these situations. *This product meets IP55 dustproof and waterproof requirements and offers protection in the normal environment. When not in use, please keep the USB cover tightly sealed. Gentle handling is recommended. 1TB Portable Hard Drive Passed 10K Times Plug/Unplug Test Apacer 1TB Portable Hard Drive adopts durable USB Type-A female connector which has passed the 10,000 times plug/unplug test, providing safety guarantee USB 3.2 Gen 1 High Speed Interface Apacer 1TB Portable Hard Drive has a transmission speed up to 5Gbps to back up a great deal of audio and video files and reduce the transfer time.