The LSDMI64GBB1NL633R by Lexar Retail is an elite 64GB microSDXC card, engineered for speed and efficiency. It boasts a 633x speed rating, leveraging the UHS-I technology for a superior performance in Class 10 (C10), U3, and V30 speed classes, offering a seamless experience in capturing high-quality images and 4K video recording. The A1 rating further enhances app performance, ensuring quicker launches and smoother operations on mobile devices. What sets this card apart is the inclusion of a USB reader, facilitating easy file transfer between the card and a computer or any device with a USB port. This added convenience makes it a fitting choice for professionals on-the-go.