Compact Portable Design, Convenient for travelers and business users. The OEM desktop charger fits perfectly with your Phone and provides convenient access on your desk. Charge your Phone with any USB-enabled Notebook,PC,MAC. A perfect complement for mobile professionals. This Dock have a OTG. Allow you to connect to most USB Flash Drive, Mouse, Keyboard, Card Reader, exterenal Harddisk ( with power) and some digital cameras etc. It should work with most USB Flash Drive, Mouse, digital camera and Keyboard, BUT please note that some of them may not be compatible. Compatible:Samsung Galaxy S6  SM-G920 Specification Dimension: 8CM*1CM*14CM