This Card Reader is perfect for reading, editing, and backing up your mobile phone book and SMS messages. Easily sort, edit, and backup your ringtones and pictures as well. With its multi - functional SIM card reader, you can even batch modify phone book entries, print SMS messages, and perform other functions. It also supports saving information online for QQ/ICQ/MSM in a timely manner. This device is ideal for exchanging information and data between modern mobile phones and computers. It is compact and lightweight, making it easy to carry wherever you go. Specification: - Type: Card Reader - Color: As shown in the picture - Supported format: GSM CDMA WCDMA - Weight: Approx. 31g - Size: Approx. 6 * 3 * 0.8cm / 2.4 * 1.2 * 0.3in Package list: - 1 * Disc - 1 * Card Reader Note: 1. When inserting the mobile phone card, make sure the chip faces downward and the notch is facing outward. Inserting it incorrectly may cause damage to the card. 2. Please allow slight measurement errors due to manual measurement. Thank you for your understanding. Installation Instructions: 1. Run the SETUP.EXE executable file under the USB SIM Editor folder on the CD. 2. Insert the SIM card into the card reader and plug the card reader into the USB port of your computer. The driver will be automatically installed once the system detects the hardware. 3. After installation, open the SIM Editor program and click on "Connect". Our customers are our top priority. If you encounter any problems with the product after receiving it, such as damage or incorrect quantity, please contact the seller immediately. We strive to provide you with satisfactory after - sales service.