Sandisk Slice CZ37 usb flash drive Specifications Capacities : 1GB-16GB Color：Black Operating System  : Windows 7/Vista/XP/2000/ME/98 and Mac OS 8.6 and above Drivers  : Required only for Windows 98/95 (Download Available) Read Speed：9-13MB/s Write Speed：3-5MB/s Densions(L*W*H)：127mm*76.2mm*12.73mm Weight：22.7g