The Verbatim Dual USB Drive allows you to transfer files to and from a computer or any OTG-compatible device. - Transfer files from/back up your smartphone or tablet. - Transfer content between your smartphone/tablet and/or your PC or Mac without a Wi-Fi connection or using mobile data - Access stored content directly from the Dual USB Flash drive using your smartphone/tablet – no need to transfer files and tie up memory space on your mobile device Product Dimensions: 34mm x 19mm x 7mm (L x W x H) Product weight: 3.6 grams approx System requirements: USB 3.0 / USB 2.0 port Windows 8, 7, Vista, XP Mac OS X 10.4 or higher Linux 2.4.0 or higher Android 4.0 or higher (OTG Compatible).