Sony’s announced their latest USB flash drive and it features dual micro USB and USB 2.0 connectors. It is compatible with devices running Android version 4.0.3-4.3, but compatibility for Android version 4.4 should also arrive soon.
These drives are fully compatible with USB OTG for which devices act as hosts. They are priced at $19.99, $29.99, or $62.99, for the three storage capacities i.e. 8GB , 16GB and 32GB.