VONOTO 3 in 1 Micro USB Host adapter SD TF Samsung card reader OTG Mobile Phone Connection for Samsung Galaxy S4 S2 S3 Note 2 Tablet (3 in 1 Samsung Card reader) VONOTO 3 in 1 Micro USB Host adapter SD TF Samsung card reader Transfer files to OTG , Allow you to connect to most USB Flash Drive, Mouse, Keyboard and some digital cameras etc. Supports Android 2.2 or newer version,Support external keyboard.. Compatible with Samsung Galaxy S3 , Galaxy Note 2, Galaxy S4 , Galaxy Note 3 Compatible With (Not Limited to): Samsung Micro USB OTG Devices