... Specification:1.Available Capacity: 128MB,256MB,512MB,1GB,2GB,4GB,8GB,16GB,32GB;2.Interface: USB 2.0; ... High Speed USB 2.0;5.Data transfer speed: 10-15MB/s for read,5MB/s-8MB/s for write;6.Compatibility: PC or Mac with a USB ... interface;7 ... by USB-HDD or USB-ZIP mode;11.Plug-and-play;no external power supply required,USB ...