SanDisk Ultra Dual - USB flash drive - 256 GB - USB 3.1 / USB-C. Easily free up space on your smartphone or quickly transfer files between devices at USB 3.1 high speeds of up to 150MB/s (32GB-256GB). With a reversible USB Type-C connector and a traditional USB connector, the SanDisk Ultra Dual Drive USB Type-C lets you quickly and easily transfer files between smartphones, tablets and computers. Plus the SanDisk Memory Zone app for Android (available on Google Play ) helps you manage your device's memory and your content. The SanDisk Ultra Dual Drive USB Type-C is the perfect liaison between your new USB Type-C device and your devices with traditional USB ports.SanDisk products are constructed to the highest standards and rigorously tested. You can be confident in the outstanding quality, performance and reliability of every SanDisk product.