Come and see our amazing products. Compatible for PC or notebook with a USB interface. Available for Windows Vista, XP, 2000, ME, 95, 98 and Mac OS 8.6 and above and Linux 2.4 X. USB 2.0 interface type. Reading speed 10 to 22 MB. Writing speed 6 to 15 MB. Operating current less 50 mA. Different capacity of 4GB 8GB 16GB 32GB 64GB 128GB for options. Pls confirm further with us if any query about packing info, inventory status and time schedule.