The WD/SanDisk Retail SDSQUNR-128G-GN3MA is a high-capacity, 128GB microSDXC (TransFlash) Ultra card, optimized for fast and efficient data handling with Class 10, UHS-I technology facilitating transfer speeds of up to 100MB/s. It caters to the needs of contemporary mobile users, providing ample space for high-resolution images, hours of Full HD video, and seamless application performance. Ideal for Android smartphones and tablets, the card's impressive speed enhances the overall user experience by reducing buffer time and improving data transfer rates, ensuring smooth operation. Its robust design guarantees protection against water, temperature, and other potential hazards, showcasing WD/SanDisk's commitment to reliability and customer satisfaction.