Product advantage 100% full capacity: Our products with excellent quality and performance, through full testing and certification Using only major brand flash chip material IC Capacities: 128, 256, 512MB, 1, 2, 4, 8, 16, 32, 64, 128GB Data retention: 10 years More than 1,000,000 times data encryption USB Interface: USB2.0 (also compatible with USB1.1 and 1.0) USB3.0 (follow customer request to made) Logo ways: silkscreen printing, laser engraved logo and more Operating System: Windows 7, Windows XP, Vista, Windows 2000, Linux Kernel 2.6.x or late, mac OS 10.x or later Voltage communication range: 4.5-5.5V With CE, RoHS, FCC certificate Our mission for customers: Provide accurate and timely market information, high-quality products, competitive pricing and value-added services resulting in a "win-win" outcome for all parties.