1. Integrate USB disk and card reader, it is easy to use and carry.2. Plug and play does not need the external power supply.3. Can read and write common using memory card such as SD, MMC. 4. Support Win95 / Win98 / Win98 se / Win me / Win2000 / Win XP / Linux / max. operation system. 5. Support USB1.1 and 2.0 port and transmission speed (USB1.1 writing speed: 3Mbps,reading speed: 12Mbps, USB2.0 writing speed: 120Mbps, reading speed: 480Mbps).6. Input DC: 5V/80mA. Inner packing: Unit size: 49*36*30.5mmSilver boxOuter packing: 100pcs/ctn producing area:China payment:T/T or 30% deposit and 70% T/T supplying capacity:3000pcs/day