SUNMAY USB 3.0 OTG Flash Drive 2-in-1 USB Plug Protective Design Titanium Shell 64GB Silver For OTG-enabled Android Cell Phones 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. 18 months warranty on parts and labor