Prime Members: Anker USB 3.0 Micro SD Card Reader, 5Gbps 2-in-1 SD Card Reader to USB Adapter

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.