Memory Card Readers, Support SD (HC) /TF Memory Card, USB Output Port, Micro USB 3 in 1 OTG Adapter for Samsung Galaxy S6/S7/S6Edge/S7Edge and other Micro USB interfaces Smart Phone. low power consumption, unique to voltage and current overload protection, effectively protect the HUB and the connected devices Ultra-thin portable, designed for the Micro USB interfaces smart phone and tablet computer design support hot plug, plug and play, no driver Size: 50 * 11 * 24mm. Material: environmental engineering plastics Style: minimalist design, Micro USB interfaces projection, easy to use phone case.