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 the card. 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, Windows 2000, Vista, and ME systems. No driver installation required for these operating systems; however, drivers may be needed for Windows 98 or other older systems. Features a multi-adapter with PCMCIA connector supporting SD, MS, XD, and SM cards, enabling 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 to the computer. Alternatively, connect the USB first, switch off the indicator light, insert the card, then switch on the light. The system will detect and read the card. 2. After use, disconnect the USB first before removing the card, or 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 must be at least 20MB in capacity. 2. This card reader is custom-designed to support standard 68-pin storage cards only. 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 between the product color in images and the actual item. Measurement tolerance: +/- 1-3cm.