Features: 1.USB2.0 Port: This 4 in 1 card reader adopts USB2.0 port, and the maximum transmission rate is up to 480Mbps. 2.Plug and Play: This memory card reader supports plug and play, suitable for Win 2000, for Win XP, for Vista. 3.Automatic Check: This slot of this card reader features automatic check function, and the LED light indicates that the card reader is working. 4.Aluminium Alloy: This USB card reader adopts aluminium alloy shell, small and lightweight, very portable. 5.Strong Compatibility: This storage card reader can Identify all digital memory cards with standard interfaces, and can read and write a variety of flash memory cards. specification:Item Type: Card Reader Material: Aluminium Alloy This Card Reader Has 4 Slots and Can Read and Write the Following Flash Cards: T Flash Card Slot: TF (T Flash) SD and MMC Card slots: SD/Mini SD/SD Ultra/MMC/MMCII/RS MMC/HS MMC/SDC/T Flash Ms Card slot: Ms/Ms Pro/Ms MG Pro/Ms Duo/Ms MG Duo/Ms MG Pro Duo/Ms MG Pro Duo M2 Card slot: M2 PackageList:1 x Card Reader