SPIN CART All-In-1 External Memory Card Reader with 3 Ported USB Hub for MS/PRO Duo SD/MMC M2 Compatible with PC/Docking Station/MP3s (Multicolour) Multi-In-1 Card Reader 3 Ports USB Hub External Memory Card Reader for MS/MS PRO Duo SD/MMC M2 Micro SD/TF Card Reader for Pen Drive/cameras/mobiles/PC/Laptop/Notebook/Tablet or Docking Station/ MP3s/PDAs We often using different storage cards of different equipment in our daily work, but experience the problem of USB port is not enough, and now the all-in-one adapter hub can provide multiple USB equipment to work at the same time, and it can simultaneously read different storage card information, greatly enhance the work efficiency.  Specifications: -- USB 2.0 All in 1 and card reader -- Quartet type card reader: SD/MMC/MS/XD/CF/MICRO SD -- 3-port hub Product specification: -- 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 to transfer photos, music, data and more between multiple media platforms -- Good for portable use on the road or at home with a desktop or laptop -- Increase 3x USB ports -- Low Power Consumption, Suitable for Desktop and Notebook PC -- Support Memory Card: MS/MS PRO DUO/SD/MMC/M2/Micro SD(TF) -- Supports USB 2.0 Compatible USB 1.1, Runs - 480Mbps -- System support: Win95/98/Me/2000/XP/win 7, Linux2.4AndMac os8.5 Or above -- Powered by USB port, no external power needed -- Size : 76x76x30mm -- weight : 68g.