"Dual micro-USB and USB 3.0 connectors High-speed USB 3.0 performance with up to 130MB/s file transfer from drive to computer SanDisk Memory Zone application (available on Google Play) lets you easily manage and back-up content on your smartphone and tablet2 5 year limited warranty (US) a five-year limited warrantyQuickly and easily transfer your files between OTG-enabled AndroidTM smartphones and tablets**Requires device with On The Go (OTG) support. See for list of compatible devices.www.sandisk.com/dualdrive and PC and Mac computers. Connect the drive to the micro-USB port of your Android device to move up to 64GB**1GB=1,000,000,000 bytes. Actual user storage less. of content to the drive. Then transfer files from drive to computer at up to 130MB/s**ReAdapter speeds from drive to computer up to 130MB/s. Write speeds lower and vary by drive capacity. USB 3.0 port required. Based on internal testing; performance may be lower depending upon host device. 1MB=1,000,000 bytes. with the high-speed USB 3.0 connector. The SanDisk Ultra Dual USB Drive 3.0 makes it easy-and fast-to free up space for photos, videos, songs, and more. Compatible with devices of brands Acer, Asus, CoolPAdapter, Datawind, Gionee, HTC, Huawei, Lenovo, LG, Meizu, Micormax, Motorola, OPPO, Nokia, Samsung, Sharp, Sony Xperia, Spice, Teldat, Vivo, Xiaomi, ZTE and more. "