Key Features Easily transfer files between smartphones, tablets and computers Free up space on your Android smartphone Retractable USB Type-C connector and a traditional USB connector High-speed USB 3. 1 performance of up to 150MB/s Easily free up space on your smartphone or quickly transfer files between devices at USB 3. 1 high speeds of up to 150MB/s. With a reversible USB Type-C connector and a traditional USB connector, the San Disk Ultra Dual Drive USB Type-C lets you quickly and easily transfer files between smartphones, tablets and computers without the need for cables or the internet. Plus the San Disk Memory Zone app for Android (available on Google Play) helps you manage your device\'s memory and your content. The San Disk Ultra Dual Drive USB Type-C is the perfect liaison between your new USB Type-C device and your devices with traditional USB ports.