USB OTG (On-The-Go) - a standard which enables host functionality in certain phones/tablets with ports, enabling connectivity to USB devices like Kingston's DT micro Duo 2-in-1 - and USB connectors for easy transfer of files between smartphones, tablets and computers Plug-and-Play - simply connect as you would a standard USB Flash drive Convenient - ultra-small, pocket-sized design for easy transportability Speed - available in either USB 2.0 or USB 3.0 to complement your existing devices. USB 2.0: Standard / USB 3.0: 64GB - 70MB/s read, 15MB/s write