Simultaneous reading and writing: The ROCKETEK 7-in-1 card reader supports simultaneous reading and writing of five different card types: CF, SD, TF, XD and MS. This saves time and increases efficiency in data management. Ultra high-speed transfer: With a USB 3.0 interface, the card reader offers data transfer speeds of up to 5 Gbps. This enables the fast transfer of large files and HD videos in just a few seconds. Wide compatibility: Compatible with many devices such as Surface, IdeaPad, MacBook, AirRetina, Lenovo Yoga and ThinkPad. Works seamlessly with Windows 10 or 8.1 or 8 or 7 or Vista or XP, Mac OS and Linux, enabling a wide range of uses. Compact and portable design: Measuring 13.4 cm x 11 cm x 4.7 cm and weighing just 15g, the card reader fits easily into your pocket. Perfect for on the go, whether for work or travel. Reliable build quality: Made from tough ABS material, the ROCKETEK card reader offers durability and stability. Supports up to 1TB SD or TF cards and comes with a one-year warranty for worry-free use.