The latest USB 2.0 interface card reader and flash disk allows easy data transfer without frequently plugging and unplugging USB devices. Simply press the button to insert or remove memory cards. This card reader has been tested for compatibility with various memory cards, including those from Hitachi, SiliconTech, vSMART White Electronic Designs, and Simple Technology. Compatible with Windows 7, Windows XP, 2000, Vista, and ME systems. No driver installation required for these operating systems; however, driver installation may be necessary for Windows 98 and other older systems. Supports multiple memory card types via built-in adapters, including SD, MS, XD, and SM cards, allowing direct reading of SD cards, Memory Sticks, XD cards, and SM cards. Dimensions: 120 x 95 x 28mm How to use: 1. Insert the memory card first, then connect the USB cable to the computer. Alternatively, connect the USB cable first, turn off the power light, insert the card, then turn on the power light. The system will detect and read the card. 2. After use, disconnect the USB cable before removing the memory card, or turn off the power light before removing the card. 3. To test compatibility, copy JPG images to the memory card using the reader, power off and on, then check if the images are readable without distortion. Notes: 1. Memory cards used should be at least 20MB in capacity. 2. This card reader is designed specifically for standard storage cards with 68-pin connectors (up and down). Other card types are not supported. 3. The reader does not support CF cards, P2 cards, high-speed cards, linear cards, or certain types of flash memory cards. Color: As shown in picture Material: Plastic Package Contents: 1 x Card Reader Note: Light reflection and differences in display screens may cause slight variations in color between the product image and the actual item. Measurement error allowance is +/- 1-3cm.