Etekcity USB 2.0 Dual 3.5" & 2.5" HDD Esata Hard Drive Docking Station with Card Reader, SIM Port, Sd/mmc, Memorystick Pro, One-touch Backup, Pico 1.9 Steelvine Processor, T-flash Supports 2.5 and 3.5-inch SATA drives up to 1.5TB, transfer rates up to 480Mbps USB or 3Gbps eSATA, Enhanced 2nd Generation PICO 1.9 Steel Vine Storage Processor Built-in card reader: SD/MMC, MS/MSPro, SM/xD and MicroSD / MMCMicro, MicroSD / MMCMicro / T-Flash slot, SIM slot for cell phone contact/SMS management, supports multiple flash card interfaces and the latest flash card specifications NEC High-speed USB connection, NEC powered USB2.0 Vertical Port x 2, supports over-current detection and individual or ganged power control 1.5Gbps or 3Gbps link rate with auto-negotiation, full and High-Speed rates (12~480Mb/s) USB operation, LED indicate with Storage Device Includes backup software with one-touch backup button, plus Steel Vine Manager Software Tools for configuring eSATA or USB connections from your PC, create diverse value-added applications besides flash card reader such as E-commerce, phone book/ SMS edit/ save/ backup for mobile SIM cards through the smart card interface. Convenience communication through Bluetooth /Wi-Fi for data transfer from Communicator D2 Combo to other devices such as Mobile phone/ MP3 etc.