2-Bay 4TB Dual SATA 2.5"/3.5" ssd Hdd Docking Stations USB 3.0 to SATA I II HDD 100% Brand New & High Quality Product description1.Support reading 2 sata 2.5 ''/3.5 '' hdd/ssd at same time.2.Hard Drive Duplicator Function(offline clone function)The Blueendless HD05 its Standalone Duplicator Dock lets you duplicate/clone an existing hard drive without the use of a host computer system, or can be connected to a computer system for use as an external hard drive dock.To Use Hard Drive Duplicator Function.Plug in identify Source Disk(front port) and Target Disk(back port) .Connect power supply and switch on power. (make sure that the usb cable is disconnected) .How to use clone function Kindly notice:To improve device capability,we have try to use new circuit board,and now we send both “new one” and “old one” randomly,In future we will send “new one” instead.The appearance has no change,but “clone function” is different,detail see as follow For “old one”.Press "Clone" button for about 3 seconds until the LED will start flashing and the cloning process will begin. (kindly notice:To make disk copy successfully,pls make sure back disk has larger capacity than front one and make sure device is not connected with computer) For “new one”1).Press "Clone" button about 3 seconds(or more) until the 4 LED light turns green and start flashing,then cloning process will begin. 2).Short Press "Clone" again,the file will be start running,but light will not running,and keep invisible blue color,light color will change when operation finished detail see follow:.When operation complete 25%,the 1st lamp turns visible blue..When operation complete 50%,the 2nd lamp turns visible blue..When operation complete 75%,the 3rd lamp turns visible blue..When operation complete 100%,the 3rd lamp turns visible blue. Product features.On/Off power switch. .LED light indicates Power and Activity status. .Hot-swappable, plug and play, no drivers needed. .Transfer Rates Up to 5 Gbps w/USB 3.0 .Transfer Rates Up to 480 Mbps w/USB 2.0 .System requirement:for OS X,2000/XP/Vista/7/8 (Both 32-bit & 64-bit versions) .Size:118*115*89mmPackage contents* Hard Drive Dock * Power Supply(we will send US/EU/AU/UK according different country needed)* USB 3.0 cable(compatible with USB 1.1 & USB 2.0)* User Manual Please note : this is only a hdd case/hard disk docking station and don’t contains the hard disk. Picture taken by customer If any damage during shipping when you receive the package, please feel free to contact us and better to send us the photo of damaged item, so we can check what happened and make the best solution for you. Shipping Information 1. We only ship to the confirmed address provided by PayPal. Before you pay, please make sure your address in PayPal matches the address you would like us to ship to.2. Import duties, taxes and charges are NOT included in the item price or shipping charges. These charges are the buyer's responsibility.3. The items will be ship out soon when received a verified payment (Max. 3 business days).4. This item is usually shipped from US warehouse or Asia warehouse.5. Ship worldwide, usually need 30–50 business days (to the US about 12-24business days).6. We try our best to provide you the most reliable, affordable way of shipping service. But sometimes international delivery is highly depended on the local custom and post service. If you do not receive your item on time, please contact us immediately for further assistant. We will responsible for any damage or losses incurred in the shipping process. Return & Refund Policy 1. If you are not satisfied with the item for any reason, please contact us within 5 BUSINESS DAYS after receiving the item.So we can arrange something for you such as a refund or exchange, subject to availability, after we receive the item back in good and unused condition.2. Return shipping cost is your responsibility. We reserve the right to 'NOT refund' if you leave a negative feedback BEFORE contacting us.3. If you are satisfied with our products and services, please leave your good comment in detail rating of your order. Your recognition will make us more confident to develop business and serve you better.Customers' satisfaction is the most important thing for us. Any problems could be solved through communication. Thanks For Taking Your Time and Have A Great Day!