Product Description 1) Capacity: 512MB to 32GB 2) USB interface: USB 1.0/ 2.0 3) Read speed: 1MB/ s ( V 1.1) , 8MB/ s ( V 2.0) Write speed: 920KB/ s ( V 1.1) , 6MB/ s ( V 2.0) 4) Supports hot plug-and-play 5) Drive free External power is not required 6) Accessories: users manual, driver disk, USB cable and lanyard Power: USB 5V