Besteker 8GB /16GB /32GB Capacity USB 2.0 Superhero Captain America/ Iron Man/Thor/ Hulk USB Flash Drive Flash Memory Stick (Thor Hammer, 8G) 100% Really Full Capacity. Easy to read and read in high speed ,No need drive/power supply only plug in. Light weight and foldable, easy to carry Support USB version 2.0 and 1.0. Compatible with Windows 8, Windows 7, Windows XP, Windows Vista, Mac OS 10+ and Linux. Gest gift for friends, kids and any Marvel / Avengers Fan.