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 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 helps you manage your device's memory and your content. The Sandisk Ultra dual drive USB Type-C is the perfect liaison between your USB Type-C device and your devices with traditional USB ports. Compatibility Windows Vista, Windows 7, Windows 8, Windows 10, Mac OS X v10.6 and higher.