The Integral Micro SD Card Reader offers up to 180MB/s speed transfer when used in conjunction with an appropriate Micro SD Card along with supporting the A2 App Performance rating. Up to 180MB/s Read speed with appropriate Memory Cards Transfer 4K, 4K60 action videos, Hi-Res images, apps and music from your microSD card to Mac or Computer. No software required Automatic installation for Windows 10/8/7 Vista, macOS X+ & Linux. Transfer wherever you want The ultra-sleek design allows you to bring the SuperSpeed microSD card reader with you to optimise your time. Features - Over 2 million card readers sold - Up to 180MB/s speed transfer with an appropriate Micro SD Card - Supports A2 App Performance (A1 App Performance compatible) - Super Speed File Access and Transfer USB3 0 high performance reaching up to 5Gb/s 10x faster than USB 2 0 - Backup your Micro SD Card to Computers - Quickly save 4K 4K60 action videos and Hi-Res images - Single Slot - Supports all Micro SD, SDHC and SDXC Cards - Dimensions (LxW): 28mm x 14mm Box Contents 1 x Integral USB 3.1 Single Slot Micro SD Card Reader