Factory direct sales,The factory wholesale,OEM, ODM Specification Capacity<1GB, 1GB, 2GB, 4GB, 8GB, 16GB, 32GB, 64GB, 128GBUSB chipsHigh quality real chips usb, repeat read and write above 1,000,000 timesOperation systemWindows 7/Vista/XP/2000/ME/98 and Mac OS 8.6 or aboveReading speed13-20Mb/s(USB 2.0)Writing speed4-10Mb/s(computer..