The latest USB 2.0 interface card reader and flash disk adapter allows you to easily transfer data 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 brands including Hitachi, SiliconTech, vSMART White Electronic Designs, and Simple Technology. Compatible with Windows 7, Windows XP, Windows 2000, Vista, and ME operating systems. No driver installation required for these systems; however, drivers may be needed for Windows 98 or other older systems. Features multi-card support via PCMCIA connector, including SD, MS, XD, and SM cards. Directly read SD cards, Memory Stick, 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 first, turn off the indicator light, insert the card, then turn on the light. The system will detect and read the card. 2. After use, disconnect the USB first, then remove the card. Alternatively, turn off the light before removing the card. 3. To test compatibility, copy JPG images to the card, power off and on the reader, then view the images. If there is no distortion, the card and reader are compatible. Notes: 1. Memory cards used should be 20MB or larger. 2. This card reader is designed specifically for standard storage cards with 68-pin connectors (up and down). Other models are not supported. 3. Does not support CF cards, P2 cards, high-speed cards, linear cards, or other types of flash memory cards. Color: As shown Material: Plastic Package Contents: 1 x Card Reader Note: Light reflection and display differences may cause slight variations in color between the image and the actual item. Measurement error allowed is +/- 1-3cm.