Product:USB Flash Drive Model: U503B Interface: USB 2.0 Descriptions: ?Overview: IBM PC/AT or compatible Desktop or Laptop or Mac computer with USB port Microsoft Windows 98 SE/ME/2000/XP or above Linux kernel 2.4 or above MAC OS 9.X or above ?Capacity: 64M/128M/256M/512M/1G/2G ?Color: Brown/ Black ?Material: Leather Housing with Metal Trim ?Dimension: 86mm * 23.7mm *17mm ?Weight: 31.5g