CELL PHONE USB MOBILE SIM CARD READER WRITER GSM/CDMA suitable for those who have several SIM cards to backup and modify information information safekeeping, set, cancel, and manage mobile PIN password convert all the PSX controller to be used on PC compatible with Win 98SE/ME/2000/XP Supporting USB 1.1 to read and write quickly Beautiful contour, no extra power, plug and play usb port