UtechSmart USB 3.0 10-Port Multi-Function Hub 7 SuperSpeed USB 3.0 ports support data transfer rates of up to 5Gbps. Backward compatible with USB 2.0 / 1.1. 2 additional power ports (2A) supply enough current to charge both a tablet and a smartphone at high speed. USB 3.0 ports offer 0.9A each. 1 OTG port supports Android 4.0 or above OTG function (Support almost all the Micro USB port smart phone). Built-in surge protector safeguards your devices. High-grade chipset and 12V/4A adapter guarantee steady operation. Supports Plug and Play and hot swapping. No installation of drivers required for Windows XP / Vista / 7 / 8.