Benefits USB 3.1 Speed means less waiting! Transfer your HD video, images and other digital content between your memory card and PC/Mac without the delays associated with slower USB 2.0 technology Save your smartphone and tablet batteries Backup photos and video footage onto your computer hard drive Backup computer files onto your memory card If you already use high-speed memory cards such as microSDXC UHS-I U1 and U3, then the Integral USB Card Reader will maximise their high-speed potential Fully compatible with USB 2.0 (USB 2.0 transfer speed) Features USB 3.1 SuperSpeed interface Supports the latest high-speed card formats with UHS-I interface: microSDHC UHS-I and microSDXC UHS-I microSD card slot appears as a removable drives Draws power from the USB port PC and Mac compatible 2 year warranty System Requirements USB 3.1 Gen 1 (USB 3.0) port for SuperSpeed (USB 2.0 compatible at USB 2.0 transfer speed) Windows XP / Vista / 7 / 8.1 / 10 Mac OS X (10.2.8) and above Please note: Memory card not included