Everyone knows the problem of losing the cap of the USB (Universal Serial Bus) stick. Besides this, one has to take off the cap & place it again, when the USB (Universal Serial Bus)-stick is used. The Jet Flash 500 is equipped with a retractable slide regulator, with which the USB (Universal Serial Bus)-stick can be pushed out & pulled in again. Its design without a cap does not allow any dirt or dust to reach the inside & there is no risk of losing the cap. By means of the ultrasound-welding technology the Jet Flash 500 is robust & stable & also impresses through its attractive design