Note:Please ues the power cable and usb cable at the same time,otherwise it can not work. Please follow the step: First download the driver from the link which is on the package,then install the HDD/SSD to the docking station,second connect the USB cable and power cable at last turn on it. USB2.0 Specifications: 1.Tool-le install hard drive, support hot-swappable. 2.For all the market 3.5"/2.5"SATA/IDE hard drive(Except WD 3.5" IDE hard disk) 3.Support SATA// 4.Input voltage:DC12V 5.Output interface:USB2.0(mini) 6.USB2.0 transfer up to 480Mbps transfer rate 7.One Touch Backup Function 8.LED indicate power status and hard disk read and write 9.Two USB2.0 HUB interfaces 10.Support M2/TF/SD/MMC/MS/XD/CF slot; Support up to 48G memory card 11.Support for Windows 2000/XP/Vista and Win7/8;Linux/MAC OS Acceories: HDD Docking Station*1 Adapter12V/3A*1 AC Power Cable*1 USB Data Cable*1 Specification*1 USB 3.0 Specifications: 1.Tool-le install hard drive, support hot-swappable. 2.For all the market 3.5"/2.5"SATA/IDE hard drive(Except WD 3.5" IDE hard disk)2.For all the market 3.5"/2.5"SATA/IDE hard drive(Except WD 3.5" IDE hard disk) 3.Support SATA// 4.Input voltage:DC12V 5.Output interface:USB3.0 6.USB3.0 transfer up to 5.0Gbps transfer rate 7.One Touch Backup Function 8.LED indicate power status and hard disk read and write 9.Two USB2.0 HUB interfaces 10.Support M2/TF/SD/MMC/MS/XD/CF slot; Support up to 48G memory card 11.Support for Windows 2000/XP/Vista and Win7/8;Linux/MAC OS Acceories: HDD Docking Station*1 Adapter12V/3A*1 AC Power Cable*1 USB2.0 Data Cable*1 Specification*1