BESTRUNNER 5Pcs 1GB USB 2.0 Flash Drive Bright Pen Memory Stick Storage Thumb Stick Capacity:1GB Interface: USB2.0 Fast data transfer rate--Read: 22MB/sec & Write: 3.5 MB/sec. Support PC Mode: all brands of PC, Laptop, HP, Dell, Toshiba, etc Support Windows 8, Windows 7, Windows Vista, Windows XP / 2000 / ME, Mac OS 9.0 or later and Mac OS 10.1 or later.