Aluminum Bottle-shaped USB Flash Drives Capacities available: 1, 2, 4, and 8GB Imprint options: color imprint and laser engrave Data service options: pro-load and autorun Packaging options: retail and bulk Product materials: aluminum No external power required Stylish and new design Realistic and mini bottle shaped Key ring attached High-transfer rate for fast copy/download Utilize solid state memory technology Supports Plug-and-play function Low power consumption Optional customized logo imprinting for branding or promotion Optional fully customizable packaging options CE and FCC certified Compatibility for Mac and PC Operating system: Microsoft Windows XP/2000/Me/98/95 and Mac OS 8.6 and above Data retention: 10 years minimum