... 4. Data preload 5. Warranty 1year Human usb stick medical gift Capacities:64MB,128MB,256MB,512MB,1GB ... 8GB,16GB,32GB,256GBFeatures:usb stick medicalTransfer Rate:Hi-Speed USB 2.0 Certified,Compatible USB 1.1Operating System: ... customized products and the price interview4. All usb flash drive we provide is 100% full capacity ... Package pictures: Certificate:Our factory: Human usb stick medical gift