USB flash drive/USB drive/USB flash/flash drive/pen drive/flash storage/USB memory stick/memory stick/USB key/USB/jewellery USB specifications: . Capacity: . 32m, 64m, 128m, 256m, 512m, 1g, 2g, 4g, 8g. Data retention: . Over 10 years. More than 1, 000, 000 times data encryption. Speed: . Read: 10MB(USB2.0). Write: 4MB(USB2.0). Multiple operation systems supported: . No driver needed in windows me\ 2000\XP\vista, mac 9. X or later, linux kernel 2.4 or later. Only windows 98 and windows 98se need the enclosed driver. With bootable function, auto-run function is optional, built-in password. Protection. Operating current: < 100ma. Operating temperature: . -20 ~ 70. Humidity: . 5% ~ 90%. Delivery time: 5 - 10 working days.