... is optional Passed ISO9001,ROHS,CE,FCC Capacities available128MB, 512MB, 1GB, 2GB, 4GB, 8GB, 16GB, 32GB, 64GB, 128GB, 256GBUSB chipsHigh quality ... availablePowerNo external power supply required, USB bus-powered. Plug-and-play supportUSB specificationCompliant with USB 1.1/2.0SupportMulti-partition and password access ... ’ special packaging will be on customer's account branded mini usb memory stick