USB 3 port HUB Combo Card Reader for SD MMC M2 MS This USB 2.0 memory card reader is the perfect 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. Perfect for portable use on the road or with a desktop or laptop. Increase 3x USB ports Low Power Consumption, Suitable for Desktop ebook 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: Win95/98/Me/2000/XP/win 7,Linux2.4andMac os8.5... It does not support /XD Card Powered by USB port, no external power needed Multi-function: 3 Ports USB 2.0 Hub + Card Reader for MS/MS PRO DUO, SD/MMC, M2, Micro-SD(TF card) Colour: white Material: PVC Size: 7.5 x 4.5 x 2.5cm Package Contents: 1 x Card Reader with 3 Ports usb hub Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.