USB 3 port HUB Combo Card Reader for SD MMC M2 MS This USB 2.0 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 3 x USB ports Low Power Consumption, Suitable for Desktop & Notebook PC Support Memory Card: MS/MS PRO DUO/SD/MMC/M2/Micro SD(TF) Supports USB 2.0 compatible USB 1.1, runs at 480Mbps System support: Windows 98SE/Me/2000/XP and newer windows, Linux2.4.X and Mac OS 10.0 ... It does not support CF/XD Card Powered by USB port, no external power needed Item size: 76*76*30mm Cable length: about 50cm Net weight: Approximately 80 g Packing includes: 1 x 3 Ports USB 2.0 Hub & multi-card reader with attached cable in plastic bag