Bytecc Black 1.44/1.25Mb 3.5 inch External Usb Floppy Drive, Re-Mfg Model Bt-144-Retail-by-Bytecc Spec Panel Color Black Capacity 1.44/1.25 MB Interface External USB Media Type 3.5" Micro Floppy Disks Operating Systems Supported Mac OS 8.6 or above Windows 95 or above (Windows 7 compatible) Features Ultra slim design, No external power needed Plug & Play light weight 0.63 lbs., easy to carry