[update] Faster Copy speed than the original version: 2.5GB/min or 45 MB/second [update] Better USB Flash Memory Compatibility [update] Support above 2TB Size Capacity Support up to Copies of 4 USB Flash Memory drives simultaneously Supported Media: USB 1.0 / 2.0 / 3.0 Flash Drive and USB External Storage (External USB device(s) must have its own power source connecting to outlets) Can accept Power Bank via Micro USB connection WARRANTY: 1 year manufacturer's part and labor warranty; lifetime technical support