This USB 3.0 hub features an aluminum case with 7x USB 3.0 Type A connectors, including one USB charge port (5 V / 2.1 A). It also has a USB 3.0 Type Micro-B connector for connection to a PC and supports transfer rates up to 5 Gbit/s. The hub comes with a 12 V / 3 A power adapter and a USB 3.0 cable. USB 3.0 is backward compatible with USB 2.0 devices and cables. The USB charge port complies with the USB Battery Charging specification (BC 1.2), allowing it to charge compatible mobile devices like smartphones, tablets, digital cameras, and rechargeable batteries.