"Product Name: Classical Old Type Swivel Metal USB Disk Product Model: AGE-YY022 Material: Stainless Steel and Rubber Oil Color: Silver/Golden Logo Printing: Laser Engraving Memory Capacity: 16M 32M 64M 128M 512M 1G 2G 4G 8G 16G 32G Size:57*20*10mm Reading Speed:15Mbps Writing Speed: 5Mbps(depending on computer configuration) Compliant with USB 1.0/2.0 Chip: High quality Samsung/Micro Memory/Toshiba Certification: CE RoHS FCC" www.craftusb.com