1,USB interface is universal for devices, support USB disk, keyboard, mouse, USB printer and so on. 2,The shell is made of aluminum alloy, more durable and has a longer service life. 3,Tablet connect to keyboard and mouse, writing is easier.Writing documents, chatting, playing games are faster and more convenient. 4,Mobile phone and tablet connect gamepad to play games, easier to operate. 5,Plug and Play, Direct Reading: Easy and fast operation. Once insert, usb can be automatically recognized. 6,Fast Transmission, No Wait: Fast transmission of file data, movie with seconds. 7,Mobile phone connect the USB, movies, documents to watch at any time no need with network. 2x OTG Adapter with Chain Condition: 100 percent Brand NewItem Type: USB OTG AdapterMaterial: Aluminum Alloy ShellOptional Color: Black, Silver, Gold, Rose GoldInterfaceType: Type-C interface, USB 3.0 interface, for Android Micro interface Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.