cardreder with usb flash drive. TF card and mini sd card support. usb 2.0 interface.alloy housing. cardreader with usb flash driveTF card and mini sd card support.have usb flash drive function.usb2.0 interface.alloy housing.size:5.78*1.86*0.9cmnw:11.50g/pcsavailable color: black,blue.available capacitye:512MB,1GB,2GB,4GB,8GB