All in One Multi-card Reader with 3 USB 2.0 Ports Hub Combo Micro Sd/mmc/m2/ms Supports Micro SD Card up to 16GB. Supports M2 Micro Card. Supports Micro SD/M2 Card reading and writting. Compatible with USB 2.0 and 1.1 Compatible with: Micro SD/T-Flash/SDHC/TF Card, and M2 Card(Memory Stick Micro) Operation systems: Win98/Me/2000/XP/vista/Mac OS 9.x or later Package Included: 1 X Combo Hub Card Reader