BESTRUNNER Metal Silver Swivel USB 2.0 Flash Drive Memory Stick Storage Thumb Stick Pen Gift 32GB 16GB 8GB 4GB Capacity: 32GB Writing Speed: 6M/S Reading Speed: 15M/S Compatible with USB 1.1/2.0 Compatible with PC, Notebook, MAC Support Windows 7 / 8,Windows Vista,Windows 2000,Mac OS X, Linux.