Bolayu 5Gbps Super Speed USB 3.0 Micro SD/SDXC TF MINI Card Reader Adapter (Black) No additional driver installation required. Card Compatibility: MICRO SD/SDXC/TF card. Fast transfer rate for reliable copy/download/backup. Powers via USB port, no additional power supply needed. Compatible for Windows ME,2000,XP,Vista,WIN 7 and Mac OS with USB interface.