Overview:USB Portable Disk Drive Technical Specifications USB Interface 3.5inch 720KB/1.44MB FDDSuper slimand lightweight Available USB (Universal Serial Bus) Bus supply current:500 Ma or less Data capacity:720KB/1.44MB (Formatted)USB Data Transfer Rate: Full speed / 12 Mbps USB Data Transfer Rate:250 Kbits (720KB)/500 Kbits (1.44MB) Number of Cylinders: 80 Rotation speed: 300 rpm, 380 rpm recording method: MFMMedia: High Density (2 HD) or Normal Density (2 DD)3/5-inch Micro Floppy Disks Average Latency Time: 100 MESC (1.44MB mode) 83.3 MSEC (720KB mode) Operating temperature Between 4 degrees Celsius & 51 degrees Ceisius Between 39 degrees Fahrenheit & 125 degrees Fahrenhelt Relative humidity Operating: Between 20% & 80% Hardware requirements Computer with USB (Universal Serial Bus) Port USB Universal Host Control Note: If the color out of our stock, we will ship the item in random. Specification: Weight Approx:340g Size Approx:16 x 10.5 x 2