It is perfect for photographers and travelers who need quick and efficient file transfers on the go. "Plug-in and Play Convenience: The card reader features dual SD / TF card slots, simply plug in and play, which supports simultaneous reading and writing, with a maximum read speed of 100MB/s, for SD, SDHC, SDXC, Micro SD, Micro SDXC, and Micro SDHC cards.
eBay