Silicon Power company presented Mobile X31 flash drive, equipped with micro-USB and full-size USB 3.0 connectors. It allows you to connect the device shown at the picture to not only PCs but also mobile devices with the Android operating system and support for On-The-Go (OTG) USB, with no need for adapters and cables. The drive is very small and light: its dimensions are 33,0 x 12,3 x 8,1 mm, the weight is 3.3 g.
Mobile X31 flash drive by Silicon Power
Silicon Power Mobile X31 flash drive came off bigger than micro-USB and USB 3.0 connectors bonded together.