Offering micro-USB and USB 2.0 interfaces, vibration-proof Mobile X21 measures 33.0 x 12.3 x 8.1 mm, comes in 8, 16, and 32 GB capacities, and features metal exterior with plastic cap. SP File Explorer file management app for Android™ devices supporting USB OTG offers one-touch backup function, while SP Widget application software provides 7 back up and security tools. Used to supplement memory or transfer files, data storage product also comes with Recuva File Recovery tool.<br />
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