IMAGE USB 3.0 External 2.5"/3.5" SATA HDD Hard Drive Dual Dock Docking Station Backup Clone for Destop PC Laptop ONE TOUCH BACKUP (OTB) Function: Run backup job by pressing a single button. OFFLINE CLONE Function: Copy all files from Hard disk A to hard disk B without PC. With dual SATA slot, USB 3.0 Data connection, compatible USB 2.0. Support 2.5"/3.5" SATA HDD Power LED indicator. Plug and play Support Windows ME/2000/XP/VISTA/7 and MAC OS 9.X. or higher