Do you think your computer USB ports are always not enough? Do you think each storage card corresponds to a card reader is trouble? Do you think USB HUB and card reader need to separately purchase and placement is trouble? Do you hope there is a product to solve the above problems?! #39; #34; #34;High Efficiency -- All ports can work together at the same time,easily to transport data from each card or connectiong device. #39; #34; #34;High Speed -- USB 3.0 with super speed 5 Gbps. Powered by USB port, no external power needed. #39; #34; #34;Compatibility -- Multi-function: 3 Ports USB 3.0 Hub + Card Reader for MS/MS PRO DUO, SD/MMC, M2, Micro SD(TF card) #39; #34; #34;Convenient -- Avoid the hassle of carrying multiple card reader adapters, and you can transfer photos, music, data with this combo. #39; #34; #34;Easy to Use -- Lightweight and portable. Low power consumption, it is suitable for desktop amp; notebook PC. PRODUCT FEATURES: USB3.0 3 port HUB Combo Card Reader for SD MMC M2 MS 100% Brand new and high quality This USB 3.0 memory card reader is the ideal companion for your digital media. Avoid the hassle of carrying multiple card reader adapters in order to transfer photos, music, data and more between multiple media platforms. Ideal for portable use on the road or at home with a desktop or laptop. Increase 3x USB ports Low Power Consumption, Suitable for Desktop amp;Notebook PC Support Memory Card: MS/MS PRO DUO/SD/MMC/M2/Micro SD(TF) USB 3.0 compatible USB 2.0/1.1, runs at 5Gbps System support: Win95/98/Me/2000/XP/win 7/win 10 and Mac os8.5 ... It does not support CF/XD Card Powered by USB port, no external power needed Size: 3*2*1inch