This is the best USB Card Reader we have come across and the best deal, You can get it here.
- Simultaneously read and write on two cards to save yourself the effort of constant unplugging and re-plugging.
- USB 3.0 enables data transfer rates of up to 5Gbps for faster Sync times, backward compatible with USB 2.0/ 1.1.
- Fully powered via your USB port — no additional power supply required.
- No drivers required for Windows 10/ 8/ 7/ Vista or Mac OS X 10.2 and above.
- Package contents: Anker SD/TF Card Reader, hassle-free 18-month warranty.
You can get it here.