BestRunner(TM) USB 2.0 Flash Drive Memory Stick Fan-shaped 4GB 8GB 16GB 32GB 64GB Size: Approx.35x12x5mm Compatible with USB 1.1/2.0 Compatible with PC, Notebook, MAC Support Windows 7 / 8,Windows Vista,Windows 2000,Mac OS X, Linux. Fast data transfer rate--Read: 15MB/sec & Write: 6MB/sec.