【IMPROVE PERFORMANCE】Powered by USB 3.0 technology, this USB hard drive is much faster than - allowing for super fast transfer speed at up to 5Gbps. External hard drive comes standard with USB3.0 interface, high speed transmission, and backwards compatibility USB2.0. 【SLIM AND STURDY】Merely 0.4 inch thick. All-Aluminum anti-scratch model delivers remarkable strength and durability, keeping this portable hard drive running cool and quiet. USB 3.0 external hard drive adopts aluminum alloy panel, combined with sandblasting oxidation process, which can prevent sweat stains and fingerprints. 【START WITH PLUG】External hard drive DON'T NEED driver required, and supports the connection with common devices such as computers, televisions and mobile phones. This external drive is ready to use without external power supply or software installation needed. Ideal extra storage for your computer. 【EXCELLENT】Ultra thin external hard drive is compact in structure and small in size, so it is convenient to carry around and can be put in a bag. Don't need to worry about the refund. Refund with no reason.