High-Speed Data Transfer to Almost Any Desktop or Mobile DeviceIf your MacBook, Chromebook, PC, tablet, smartphone or laptop has no built-in memory card reader, but does have a USB-A, USB-C or Thunderbolt 3 port, this USB 3.1 memory card reader is an essential data storage tool. It easily transfers photos, documents, HD video and other files from a wide variety of memory cards to your device. Because this unit has both USB-A and USB-C plugs, you save the expense of buying multiple memory card readers.USB Connectors Built Into Either End Connect to Almost Any DeviceJust insert an SD or Micro SD card into the USB card reader’s slot, and then plug the built-in USB-A or USB-C male connector into your MacBook, Chromebook, PC, tablet, smartphone or laptop to begin reading files. Removable caps protect the connectors from damage and debris.Immediate Read/Write Access to Almost Any SD or Micro SD CardThe two built-in memory card slots supports all the latest formats, including SDXC (Secure Digital Extended Capacity) and SDHC (Secure Digital High Capacity). An LED next to the slots let you know data is being transferred. The slots are hot-swappable, so you can exchange cards while the unit remains connected to your MacBook, Chromebook, PC, tablet, smartphone or laptop.Transfers Data at Rapid Speeds Up to 5 GbpsIf your MacBook, Chromebook, PC, tablet, smartphone or laptop has a USB 3.0 port, this memory card reader transfers digital photos and other files at speeds up to 5 Gbps, which is 10 times faster than USB 2.0 card readers. It’s backward compatible with previous USB generations, including 2.0 and 1.1, so data can transfer regardless of your device.Versatile Tool for Use at Home, the Office or on the GoThe compact USB 3.1 memory card reader fits easily into your camera bag or laptop sleeve, so you can access files at a moment’s notice. Its plug-and-play technology requires no new software, drivers or external power supply. It’s compatible with all USB-enabled operating systems, including Windows and Mac.3-Year Warranty and Environmentally Responsible DesignThe U452-000-SD-A comes with a 3-year warranty. It’s manufactured in compliance with strict RoHS specifications.