USB POWER -- Plug & Play function ,easy to use ; Thedata transmission speed achieves 480 MBps3 PORTS USB 2.0 HUB SIZE -- 76x76x30mmBuilt in LED lightSupports Windows Me/2000/XP/vista/7/8,linux,MAC OS8, do notsupport more than win8.0 systemsThis USB 2.0 memory card reader is the ideal companion foryour digital media. Multifunction USB All-in-1 Combo Hub with 4 Card Readers and3 USB ports Color:Black Product description USB 3 port HUB Combo Card Reader for SD MMC M2 MS 100% Brandnew and high quality , cheap price. This USB 2.0 memory card reader is theideal companion for your digital media. Avoid the hassle of carrying multiplecard reader adapters in order to transfer photos, music, data and more betweenmultiple media platforms. • Ideal for portable use on the road or at home with adesktop or laptop. • Increase 3x USB ports • Low Power Consumption, Suitable for Desktop & NotebookPC • 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: Win98Se/Me.XP/2000/Vista/Mac Os Xcompatible • It does not support CF/XD Card • Powered by USB port, no external power needed • Color: black • Size: 76x76x30mm • INCLUDED: Brand No Brand SKU OT776EL0BWY4ONAFAMZ-41100 Model 31001123