Features:Brand new and high quality.
Easy to read and read in high speed ,No need drive/power supply only plug in
USB 2.0 compatible Plug & play with Windows 2000 / XP / Vista, Mac 9.0 or above
Support USB version 2.0 and 1.0
Support Window ME,2000 and XP Vist
Size:5.7cm x 2.4cm x 0.2cm-2.24inch x 0.94inch x 0.08inch.
Package Included:1 X 4GB Metal key U Disk
NO Retail Box. Packed Safely in Bubble Bag.