With the multifunctional card reader, you can quickly transfer files from your SD/TF card or USB stick to your phone, tablet, or laptop. This SD card reader supports super-fast data transfer up to 5 Gbps via the USB 3.0 interface. This allows you to transfer 4K movies or files in just seconds. Advantages: Super-fast data transfer up to 5 Gbps USB-C, USB 3.0, and Micro USB connections Also for Thunderbolt 3 Plug & Play OTG function For SD, TF cards, and USB sticks Compact Wide compatibility Plug & Play The SD card reader is equipped with plug & play and very easy to use; no software or drivers are required. Enjoy fast and easy data transfer on the go, without additional cables. Perfect for quick access to photos, videos, and files, whenever you want and wherever you are. OTG function Do you have a smartphone or tablet that supports on-the-go functionality? And do you want to be able to put files directly on a memory card without installing additional software? Then this 3-in-1 card reader with OTG function is perfect for you. Plug the SD card reader into your port and instantly transfer files from your device to a memory card or USB drive. Broad compatibility: Because the 3-in-1 card reader has both a USB-C, USB-A 3.0, and a Micro USB connection, it's universally compatible with Thunderbolt 3. Simply insert the card reader into a smartphone, tablet, camera, laptop, computer, or printer. And you can read and transfer files immediately. Ideal for transferring files from a GoPro, digital camera, drone, or other device. The card reader supports Windows, Mac OS, Linux, Android, and iOS.