Computer Accessory-CARD READER Specifications Interface:USB1.1 and USD2.0 + 3 ports HUB Support Flash Card: ALL FLASH CARDSMC&SD Slot Operation system:Window 98SE/ME/2000/XP. MAC OS 9. 0 or above. Use: Plug & Play compatibility for easy use on Mini PC, MP3 and digital camera Interface rate: 480Mbps Operating Temperature 0℃~70℃ torage Temperature 0℃~90℃ umidity 10%~ 90% non-condensing