... 8GB,16GB,32GB;3.Material:platstic;4.Usb interface: USB 2.0 & usb 1.1;5.OS: Windows Vista/XP ... Transfer Rate: High Speed USB 2.0;7.Data transfer speed: usb disk 8MB/s-21MB/s for read ... ,2MB/s-8MB/s for write;8..Compatibility: PC or Mac with a USB ... all kinds of usb flash drive,usb 2.0 flash drive,usb flash disk,usb flash memory,usb, usb stick, usb flash hot promotional ...