High Efficiency -- All ports can work together at the same time,easily to transport data from each card or connecting device
Compatibility -- Multi-function: 3 Ports USB 3.0 Hub + Card Reader for MS/MS PRO DUO, SD/MMC, M2, Micro SD(TF card)

High Speed -- USB 3.0 with super speed Powered by USB port, no external power needed
Convenient -- Avoid the hassle of carrying multiple card reader adapters, and you can transfer photos, music, data with this combo
Easy to Use -- Lightweight and portable. Low power consumption, it is suitable for desktop & notebook PC