---Gift Wristband USB Flash Disk ---Material: Rubber ---Logo: Customer' s logo can be put on ---Available capacities: 256MB/ 512MB/ 1GB/ 2GB/ 4GB/ 8GB/ 16GB/ 32GB/ 64GB ---Data transfer speed: 15MB/ s-21MB/ s for read, 5MB/ s-8MB/ s for write ---Functions: As hard drive, support Plug-and-Play ---Warranty: 5years warranty ---Shock resistance: 1, 000g ---Data retention: 10 years minimum ---Operating Temperature: -0° To 60° C( 32° To 140° F) ---Storage Temperature: -20° To 85° C( -4° To 185° F) ---Customize: 1) Print Customize logo on USB Flash Drive. Printing Method: Full Color Print, Hight Color Print, Silk Print, Laser engrave, emboss, etc. 2) Make the Customize design to be USB Flash Drive. 3) Can preload the file into the USB flash disk and make the file non-delete 4) The advertisement file can be Auto-play when plug the USB flash disk into the computer. You website can jump out when the USB was plug into the computer 5) Make Customize Package and Lanyard.