Toshiba 4 GB Micro Swivel USB Flash Drive, Chrome (PA3879U-1M4S) Ultra-Slim, Micro Swivel 'Capless' design - Pocket-sized for easy transportability and no more lost caps Includes lanyard to help attach to other devices High speed USB controller and Dual Memory Channel for ultra fast data transfer speeds Data transfer rates of up to 21.1MB/sec. read and up to 10MB/sec write Hot Plug & Play - Enables you to install the Flash Drive at anytime