Specifications: 1) Colors: Transparent & blue & red 2) Storage capacities:128MB, 256MB, 512MB,1GB (optional) 3) USB host interface: USB 1.1 / 2.0 4) Speed: a) Read: 1MB (1.1) / 8MB (2.0) b) Write: 0.8MB (1.1) / 7MB (2.0) 5) LED indicator 6) Deft configuration, shockproof and moisture proof 7) No drive needed 8) Over ten years data retention 9) Hot plug-and-play 10) Driver: required Windows 98 / SE, Windows ME, Windows 2000 / XP, Mac OS 9.x, Mac OS.x, Linux 2.4.x which support USB mass storage 13) Dimensions: 48.2 x 16.8 x 7 mm 14) Weight: 8g/pcs bulk packing 15) Accessories:CD,USB Cable,Neck Strap,User Guide