Product Details  jewelry usb drive,jewelry usb stick,jewelry usb flash Storage capacities:Memory flash 32mb/64MB/128MB/256MB/512MB/1GB/2GB/4GB/8gb/16gb/32gb (Optional) USB host interface:USB 1.1/2.0 Speed: Read:8-15MB(2.0) Write:3-8MB(2.0) Deft configuration, shockproof and moisture-proof No drive needed Over ten years data retention Hot plug-and-play Driver: Only Windows 98/SE, Windows ME, Windows 2000/XP, Mac OS 9.X, Mac OS X, Linux 2.4.X which support USB mass storageAccessories:  Extension USB Cable, Manual. CD-Rom