USB-C Card Reader Compatible with CF, SD and Micro SD Storage Cards Read and write data, images, and video directly from the 3-port card reader to your USB-C MacBook or MacBook Pro computer. Card reader is compatible with any USB-C or Thunderbolt 3 ready computers as well as USB-C ready devices with OTG support for smartphones and tablets. It also comes with LED indicator which lights when in use. The three ports are designed to read or backup data from 10 different cards. Plug and Play with Fast Data Transfer Speeds There is no need to install any drivers; just plug the adapter into your computer and you are ready to go. Transfer images, videos, music and data from your digital camera or other devices up to 5Gbps. No Electromagnetic (EM) Interference Anodized aluminum design minimizes EM interference, for clear and compatible connection with no EM waves to disrupt your work on the computer.