Features: 1. 100% Brand new and super high quality. 2. Mini Portable Card Reader, 480Mbps transfer rate, computer car speaker universal. 3. A separate card reader does not require additional drivers in the XP system. The built-in card reader on the notebook generally needs to install the driver. For example, the driver of FlashMedia. If there is a driver disk, run the installation program in the driver disk; If it is not a setup driver, in the device manager, right-click the card reader device with an exclamation mark or a question mark, To upgrade the driver, specify the driver path. 3. The card reader originally exists for the computer to read and write different storage media smoothly, so it basically does not need to be driven. If the card reader is plugged into the computer and cannot be recognized, it may be a problem with the USB interface of the computer. You can try another USB interface. 4. If the front USB interface cannot be recognized, it may be that the power supply is insufficient. You can try to plug it into the USB interface at the rear of the chassis. 5. Why can't the card reader read the memory card? Generally, the memory card is in poor contact with the card reader, and the computer only recognizes the card reader, but is not connected to the memory card. Check if the memory card is inserted properly. After the memory card is connected, the indicator light of the card reader will flash a few times. Many card readers will. Specification: Material: metal Size: As Shown (1inch=2.54cm) Color: As Shown Package Includes: 1Pc Card Reader. Note: 1. Due To The Different Monitor And Light Effect, The Actual Color Of The Item Might Be Slightly Different From The Color Which Is Showed On The Pictures. 2. Please Forgive 1 Cm/0.39"-3 Cm/1.18" Measuring Deviation Due To Manual Measurement.