This Card Reader is designed for reading, editing, and backing up mobile phone book and SMS messages. It allows easy sorting, editing, and backup of ringtones and pictures. Featuring a multi-functional SIM card reader, it supports batch modification of phone book entries, printing SMS messages, and other operations. The device enables saving online information for QQ/ICQ/MSM promptly. Ideal for transferring data between modern mobile phones and computers, this compact and lightweight device is convenient to carry. Specifications: - Type: Card Reader - Color: Blue - Supported format: GSM CDMA WCDMA - Weight: Approx. 31g - Size: Approx. 6 * 3 * 0.8cm / 2.4 * 1.2 * 0.3in Package list: - 1 x Disc - 1 x Card Reader Note: 1. When inserting the mobile phone card, ensure the chip faces downward and the notch is facing outward. Incorrect insertion may damage the card. 2. Slight measurement errors may occur due to manual measurement. Installation Instructions: 1. Run the SETUP.EXE file located in the USB SIM Editor folder on the CD. 2. Insert the SIM card into the card reader and connect the reader to the computer's USB port. The driver will install automatically upon hardware detection. 3. After installation, launch the SIM Editor program and click "Connect". Customer Satisfaction: We prioritize our customers. If you experience any issues with the product upon receipt, such as damage or incorrect items, please contact the seller directly. We are committed to providing satisfactory after-sales support.