model: SDDD3-256G-G46 works with both pc and android devices with OTG support. micro usb Free up space on your OTG Android Phone (Requires device with On-The-Go (OTG) support) * Back up photos, videos and contacts. Compatibility - Windows Vista, Windows 7, Windows 8, Windows 10, Chrome OS, Mac OS X v10.8 and higher * Retractable design with dual microUSB and USB 3.0 Connectors * High-speed USB 3.0 performance with read speeds up to 150MB/s file transfer from drive to computer (USB 3.0 port required. Based on internal testing; performance may be lower depending upon host device.) * SanDisk Memory Zone application (available on Google Play; Download and installation required) lets you easily manage your photos and videos