Sandisk Ultra Dual Drive M3.0 256Gb 150 Mb/S-IE8M

Quick overview:

• Free up space on your OTG-enabled Android phone
• Back up your mobile photos, videos and contacts
• Retractable design with dual micro-USB and USB 3.0 connectors
• High-speed USB 3.0 performance with up to 150MB/s file transfer from drive to computer