With the SanDisk Ultra Dual USB Flash Drive, it's easy to move files between your computer and an Android smartphone or tablet. Ultra Dual features both USB 3.0 and micro USB connectors, so you can easily connect to compatible devices. On a computer, transferring files is as easy as dragging and dropping, while your Android device can take advantage of the free SanDisk Memory Zone app from Google Play to manage your data. With a capacity of 64GB, you'll have enough room to store thousands of documents, photos and music files in this compact device. The SanDisk Ultra Dual USB Drive is compatible with Android smartphones and tablets with USB OTG (On The Go) compatibility and with PCs running Windows Vista, Windows 7, Windows 8 or Windows 10, and Mac computers running Mac OS 10.6+. Please check the Android Memory Zone app is compatible with your device before purchase. Please note: Only one connector can be used at a time.