It can read two hard drives data transmission and file backups fast and convenient interaction. - Hard disk cloning offline copy. - Simple plugging design no need for tools to remove quick and practical. - USB 3.0 interface easily connect any computers and storage data - Blue light LED indicator for reading and power indication. - Suitable for the 2.5" / 3.5" SATA hard drives on the market (Supports SATA II and compatible with SATA I) - Meets the standard USB 3.0 specification speed up to 5Gbps - Plug and play supports hot swapping. - With indicator while in the process of copy much more clear when operation.