Interface Type: USB 2.0 Encryption: No Material: Metal Style: Rectangle Capacity: 256 GB Convenient to carry. Easy to read and read in high speed. No need drive, only plug in. No need power supply. Support USB ZIP/HDD startup. Small style and fashionable. Shock resistance, damp proof, lighting resistance, antimagnetic. Can endure impact and knock of 3 meters fall. Use A-class chip, can be erased repeatedly for 100,0000 times. Compatible with PC, notebook, MAC