"Product Name: Jewelry USB Watch Product Model: AGE-JB004 Material: Zinc Alloy LOGO OEM: Yes Memory Capacity: 16M 32M 64M 128M 512M 1G 2G 4G 8G 16G 32G Weight: 30g 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