Sunmay Protective Design Titanium Material 32GB OTG 3.0 USB Flash Drive 2-in-1 USB Port Silver For OTG-enabled Android Smartphones Tablets Computers Special design 2-in-1 USB connector for easy transfer of files between Android smartphones, tablets and computers.No need for a cable to transfer data. Gives plug-and-play functionality to tablets and smartphones without microSD ports at a lower price per GB than the extra built-in storage on a mobile device. The shell is made of Titanium which is more durable than Aluminium alloy. It looks rather high end.This more protective design enable itself to be waterproof,dustproof and anticollision. USB 3.0 speed with USB 2.0 compatibility. Nice gift box package.