Ultimate Portability DT Exodia features a large, colorful loop that easily attaches to key rings, enabling you to have extra storage on the go. Cap Protection Practical cap protects the USB plug and your data. The cap also fits onto the back loop, so you won't miss it. Backward Compatability Compatible with existing USB 2.0 ports, allowing 2.0 users to migrate to 3.0 in the future without replacing their drives.