USB 2.0 Flash Drives 4GB-64GB Memory Sticks Storage Metal Key Thumb Pen Drive
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. No external power is required 4.5V ~ 5.5V from USB port. 5/10PCS x USB 2.0 Flash Drive.