4GB USB 2.0 flash drive Features cartoon superman style USB 2.0 interface, compatible with USB 1.1/ 1.0 Hot plug and play Great to store your photos, videos, music and other data Chip: original Samsung chip Storage Capacity: 4GB (NOTE: Capacity Not expandable) Material: rubber Color: as shown in the picture Net Weight: 9g/ 0.32oz Size: 40 x 23 x 17mm/ 1.57 x 0.91 x 0.67inch Note: To avoid data loss or mechanical damage, do not power down your computer or unplug flash disk during transfer Product Specifications: Chip Type: Samsung Chip Color: Green Material: Plastic Style: With Cap Interface: USB 2.0 System: Windows 2000, XP, Vista, Windows 7, Windows 8, Linux, Mac OS, Android Package Contents: 1 x 4GB Flash Drive 1 x Box - Assorted