10 PACK Memory Stick USB 2.0 Flash Drive Fold Thumb Wholesale Storage U Disk Pen
USB 1.0/1.1 LOW SPEED. Compatible with Windows 7/Windows 8, Windows XP, Windows Vista, Mac OS 9.0,Hi-Speed USB 2.0 port required for high speed transfer. Support USB version 2.0 and 1.0. No external power is required 4.5V ~ 5.5V from USB port.