PQI 8GB Intelligent Stick USB Flash Drive i810 Plus. Smallest USB flash drive in the world, waterproof and dust-proof characteristics, Visat Readyboost (Color Gray). Plug and play through USB 1.1 or 2.0 port Tiny design easy to carry Special COB packaging technology provides waterproof and dust-proof features Maxima Read Up to 27MB/sec Speed may vary due to host hardware software and usage Support Ur-Smart personal file management software (Download from manufacturer's website)