When you are a photographer-may it be of any kind- you are constantly in between clicking and checking the photos. At that moment you are also wasting your time un-tangling your USB cable, and that is very time consuming but still can be avoided. A portable card reader is the answer, and they are also available in various capacity and speeds. So, you can easily speed up your transfers and get ahead with your photo shoot.
You can go for Kingston MobileLite G4, which is portable, with a sleek metallic design, USB 3.0 multi-function card reader , Backwards-compatible with USB 2.0 and so much more.
Or Transcend USB 3.0 Super Speed Multi-Card Reader, This memory card reader is almost 4x faster than any USB 2.0 reader and can download an entire 32GB card in around 6 minutes.
This is pretty good device to have for portable experience.