Product description: 1. Card Reader - Read, edit, and backup mobile phone book and SMS messages. 2. Easily sort, edit, and backup ringtones and pictures. 3. Multi-functional SIM card reader - Batch modify phone book, SMS message printing and other functions. 4. Support for QQ / ICQ / MSM to save information online in a timely manner. 5. An ideal device for exchanging information and data between modern mobile phones and computers. Specification: Type: Card Reader Color: Blue Supported format: GSM CDMA WCDMA Weight: Approx. 35g Size: Approx. 6 * 3 * 0.8cm / 2.4 * 1.2 * 0.3in Package list: 1 * Disc 1 * Card Reader Note: 1. When the mobile phone card is inserted, the chip faces downward, and the notch is facing outwards. Do not insert the wrong one, otherwise the card may burn out 2. Please allow slight error due to manual measurement. Thanks for your kind understanding. Installation Instructions: 1. Run the SETUP.EXE executable file under the USB SIM Editer folder on the CD. 2. Then insert the SIM card into the card reader, insert the card reader into the USB port of the computer, and automatically install the driver after the system finds the hardware. 3. Open the SIM Editor program after installation and click Connect.