100% brand new and high quality. Quantity: 1 USB 3.0 interface. High speed data transfer up tp 5 Gbps. Fast transfer rate for reliable copy/download/backup. No additional driver installation required. Powers via USB port, no additional power supply needed. Card Compatibility: MICRO SD/SDXC/TF card Compatible for Windows ME,2000,XP,Vista,WIN 7 and Mac OS with USB interface and Micro usb.