Olatec 16GB OTG Metal Case USB Flash Drive with Dual USB Connectors for Android Cellphones That with OTG Function(P1109 Black) Durable data storage, Dual USB (Standard USB + Micro-USB) and USB 2.0 connectors. Fast speed in write/read transfer, Free up space on your smartphone for photos, videos, music and more. Plug and Play. When connect the U-disk to Smartphone, Then you can transfer Dates, Play music and video, File exchange Work with Samsung Galaxy Note, Galaxy Nexus, Galaxy SI/II/III, Motorola XOOM, TG01,Nokia N8,E7 Easily transfer content between Android smartphones, tablets, PC and Mac computers.