SanDisk Ultra 64GB USB 3.0 OTG Flash Drive With micro USB connector For Android Mobile Devices(SDDD2-064G-G46) 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)