Welcomeuni Hot Super SIM Card Reader Writer Cloner Edit Copy Backup GSM CDMA USB 100% brand new and high quality; Quantity: 1 Super SIM integrate and backup all your SIMs; Copy different number to one SIM card Allow 12 different number to one SIM card including phone book, SMS, ring tones etc ; Compatible for GSM 32K and 64K Suitable for those who need to backup his several SIM cards ; Information safekeeping, set, cancel, manage mobile pin password Supports USB 2.0 to read and writer quickly ; Compatible For Windows 98, ME, 2000,XP, Windows 7