Quickly and easily transfer and share data between your computer and other electronic devices with the PNY Memory Card Reader and USB Hub Combo. Compatible with Mac and PC it reads six different types of memory cards and provides three USB 2.0 ports for flash drives and additional mobile storage devices. This multi-slot card reader is compact takes up little space and is conveniently portable. The USB connection provides power so no additional adapters or chargers are needed. It s compatible with SD microSD and MS Pro Duo cards.