Features Supports: SupportdirectlySD and micro SDcard Specifications: Stylish black and red design USB 2.0 high-speed transfer rate up to 480MB/sec Card support: SD and micro SDcardTFCard Reader supports plug & play and hot-swap functions Supports slot-to-slot read/write operation Micro SD card reader supports auto-detecting slot with card inserted High transfer rate with USB interface Supports Windows 98SE, ME, 2000, XP, VISTA Introduction the features: >Plug and Play >USB port > Have the USB port to contact the computer withUSB wire >Easy to use >High Transmission Speed >The power is supplied per the USB port ,NO need the external power supply >Support the computer systerm Me/2000/XP/Or MAC OS 8.6,9.X and above