USB3.0 or USB2.Ointerface support plug and play. hot swap, easy to use and carry. Support USB3.0 super speed (5Gbps) transmission, downward compatible USB2.0, 1.1 Compatible OS: Windows XP/2000/Vista/WIN 7/8/10, Mac OS, Linux Android, etc. High speed data transfer up tp 5 Gbps. Item Name: USB To Multi-Function Adapter USB Ports: 1-Port USB3.0+2-Port USB2.0 Card Reader: For SD/TF Card (Micro SD) Material: Aluminum alloy Power: 5V/500mA