hand ring usb flash memory,udisk 1. MOQ: 100pcs 2. USB 2. ... 3. With CE, FCC, Rohs 4. 1 years warranty hand ring usb flash memory,udisk 1.Supports Usb Full-speed (12mbps ... , 32mb, 64mb, 128mb, 256mb, 512mb, 1gb,2gb,4gb-16gb Compatibility Table: Operating SystemFile TransferPassword TravelerWindows® 7YesNoWindows Vista®** (SP1)YesYesWindows ReadyBoostYesNoWindows XP ...