Advance Smart USB Flash Drive makes it easy to back up, transfer, and share your files. Available in capacities up to 4 GB, this USB drive lets you carry your photos, movies, music, and personal data wherever you go.Compact design .Compact design fits in your pocket  Large storage .Drives up to 4 GB can hold your most important data .Transfer data.Transports important personal files, music, and video. Capacity: 4 GB. Compact size. Simple Plug and Play design. Durable. High-quality metal casing .Easy to carry. Hot plug & play. Compatible with USB 1.1/2.0. Compatible with PC, Notebook, MAC. Store your pictures, videos, and songs and any kind of data. Support Windows 7/8,Windows Vista,Windows 2000,Mac OS X, Linux. Easy to read and read in high speed. No need drive/power supply only plug in.