Features: 100% brand new and high quality You can backup and modify even if you are using multiple SIM cards simultaneously You can copy the SIM card contents to another SIM card Independence computer backup different SIM cards Information security, set to relieve, manage mobile PIN password Support 2.0 fast read and write Beautiful appearance, no external power supply, USB interface plug and play Package content: one SIM card reader, one CD Specifications: Material: Plastic Electronic components Disc diameter: Approx. 3.15inch/8cm Card reader: Approx. 2.44*1.18*0.47inch/6.2*3*1.2cm Product function: 1: Read, edit, backup phone book and SMS messages 2: Easily sort, batch modify phone book and SMS messages 3: Easily sort, edit, backup mobile phone ring tones and pictures 4: Support QQ, ICQ, MSM, real-time online Save Online Information 5: Support for GSM / CDMA / WCDMA card 6: Support system: Support Windows XP / Windows Vista / Windows Installation Notes: Run the SETUP.EXE executable file under the USB SIM Editor folder on the CD, Then insert the SIM card into the card reader, insert the card reader into the USB port of the computer, the system will automatically install the driver after the hardware is found. After installation, open the SIM Editor program and click connect. Friendly reminder: When inserting the mobile phone card, the chip should face downwards and the notch should face outwards. Do not insert it wrongly, otherwise the card may be burned out