This card reader is designed for reading, editing, and backing up mobile phone books and SMS messages. Easily sort, edit, and backup ringtones and pictures. With multi-functional capabilities, it supports batch modification of phone book entries, printing SMS, and saving QQ/ICQ/MSM information online in a timely manner. Ideal for data exchange between mobile phones and computers, it is compact and lightweight for easy portability. Specifications: - Type: Card Reader - Color: as shown in the picture - Supported formats: GSM, CDMA, WCDMA - Weight: approx. 31g - Size: approx. 6 * 3 * 0.8cm / 2.4 * 1.2 * 0.3in Package includes: - 1 * Disc - 1 * Card Reader Notes: 1. Insert the SIM card with the chip facing down and the notch outward to avoid damage. 2. Slight measurement errors may occur due to manual measurement. Installation Guide: 1. Run the SETUP.EXE file under the USB SIM Editor folder on the CD. 2. Insert the SIM card into the reader and connect to the computer's USB port. The driver will install automatically. 3. Open the SIM Editor program and click "Connect" after installation. We prioritize our customers. For any issues post-delivery, contact us for support.