Engineered to deliver fast data transfer speeds, the RDF5 card reader features a USB 3.1 Gen 1 interface and support for both SDHC/SDXC and microSDHC/SDXC cards. Capable of being plugged directly into the USB port on any desktop or notebook computer, the ultra compact RDF5 offers effortless file sharing in any situation. Versatile card reader for SD and microSD cards Featuring double card slots for both your SD and microSD memory cards, the RDF5 handles most of your daily needs for transfering data between your cameras, phones, and PCs. Note: The reader does not support simultaneous insertion of SD and microSD cards. Standard USB Type-A connector Transcend's RDF5 card reader comes with a standard USB Type-A connector. Besides using it as a card reader, you can also use it as a USB flash drive on any desktop or laptop computers. Simply plug it in directly to the USB port of the computer. Higher speeds, higher efficiency Equipped with the USB 3.1 Gen 1 interface, the RDF5 card reader shows amazing transfer speeds, much faster than what you'd get with USB 2.0! Not only will the RDF5 handle your high-resolution images and videos with ease, but it also has an LED indicator to show card insertion and data transfer activity. Compact Power The RDF5 card reader is small enough to slip into your pocket or briefcase for superior convenience. With its plug-and-play functionality, you can transfer your most important files between the RDF5 and your computer anywhere, anytime. RecoveRx software Transcend offers the RecoveRx software, a free data recovery utility that allows you to search deep within a storage device for traces of erased files including digital photos, documents, music, and videos.